Source edit
- https://archive.org/details/PC_Review_Issue_8_1992-06_EMAP_Images_GB/page/n51/mode/2up
- [1]
- https://web.archive.org/web/19970419215200/http://www.next-generation.com:80/news/021596e.html
- https://archive.org/details/Computer_Gaming_World_Issue_117/page/n157/mode/2up?q=imprisoned
JimmyBlackwing (talk) 10:47, 26 August 2017 (UTC)