^ Murray, Gordon (10 January 2019). "Billboard Dance Chart Upstarts: NOTD & Felix Jaehn, Luca Debonaire & Tony Ruiz, and Party Favor" . Billboard . Retrieved 26 February 2019 .
^ "NOTD & Felix Jaehn's 'So Close' Hits No. 1 On Two Dance Charts" . Billboard . 28 February 2019.
^ a b "NOTD & Felix Jaehn Enlist 'Sports Illustrated' Cover Girl Camille Kostek For 'So Close' Video: Premiere" . Billboard . Retrieved 27 June 2019 .
^ a b "Camille Kostek x So Close Music Video" . 26 June 2019. Retrieved 27 June 2019 – via YouTube .
^ "NOTD & Felix Jaehn Unveil Video For Single SO CLOSE" . BroadwayWorld . 3 December 2018. Retrieved 26 February 2019 .
^ "NOTD, Felix Jaehn & Captain Cuts feat. Georgia Ku – So Close" . ARIA Top 50 Singles . Retrieved 26 February 2019.
^ "NOTD, Felix Jaehn & Captain Cuts feat. Georgia Ku – So Close" (in German). Ö3 Austria Top 40 . Retrieved 28 February 2019.
^ "ČNS IFPI" (in Czech). Hitparáda – Radio Top 100 Oficiální. IFPI Czech Republic. Note: Select 23. týden 2019 in the date selector . Retrieved 11 June 2019.
^ "NOTD, Felix Jaehn & Captain Cuts feat. Georgia Ku – So Close" (in German). GfK Entertainment charts . Retrieved 26 February 2019.
^ "Offiziellecharts.de – NOTD, Felix Jaehn & Captain Cuts feat. Georgia Ku – So Close" . GfK Entertainment Charts . Retrieved 22 February 2019 .
^ "NOTD, Felix Jaehn & Captain Cuts feat. Georgia Ku – So Close" (in Dutch). Single Top 100 . Retrieved 26 February 2019.
^ "NOTD, Felix Jaehn & Captain Cuts feat. Georgia Ku – So Close" . dutchcharts.nl (in Dutch). Retrieved 19 January 2019 .
^ "NOTD, Felix Jaehn & Captain Cuts feat. Georgia Ku – So Close" . Top 40 Singles . Retrieved 26 February 2019.
^ "ČNS IFPI" (in Slovak). Hitparáda – Radio Top 100 Oficiálna. IFPI Czech Republic. Note: Select 07. týden 2020 in the date selector . Retrieved 18 February 2020.
^ "NOTD, Felix Jaehn & Captain Cuts feat. Georgia Ku – So Close" . Singles Top 100 . Retrieved 26 February 2019.
^ "Official Dance Singles Chart Top 40" . Official Charts Company . Retrieved 26 February 2019.
^ "Felix Jaehn Chart History (Dance Club Songs)" . Billboard . Retrieved 26 February 2019.
^ "Felix Jaehn Chart History (Hot Dance/Electronic Songs)" . Billboard . Retrieved 23 April 2019.
^ "Felix Jaehn Chart History (Pop Songs)" . Billboard . Retrieved 21 May 2019.
^ "Dance Club Songs – Year-End 2019" . Billboard . Retrieved 6 December 2019 .
^ "Hot Dance/Electronic Songs – Year-End 2019" . Billboard . Retrieved 6 December 2019 .
^ "ARIA Charts – Accreditations – 2024 Singles" (PDF) . Australian Recording Industry Association . Retrieved 21 April 2024 .
^ "Brazilian single certifications – NOTD – So Close" (in Portuguese). Pro-Música Brasil . Retrieved 14 July 2024 .
^ "Canadian single certifications – NOTD, Felix Jaehn – So Close" . Music Canada . Retrieved 13 March 2022 .
^ "Gold-/Platin-Datenbank (NOTD, Felix Jaehn & Captain Cuts feat. Georgia Ku; ' So Close' )" (in German). Bundesverband Musikindustrie . Retrieved 8 June 2023 .
^ "British single certifications – Notd/Jaehn/Captain Cuts/Ku – So Close" . British Phonographic Industry . Retrieved 23 November 2022 .
^ "American single certifications – NOTD & Felix Jaehn – So Close" . Recording Industry Association of America . Retrieved 13 March 2022 .