Sources edit
- https://web.archive.org/web/20200925112941/https://elpais.com/diario/2002/10/17/ciberpais/1034820143_850215.html
- https://web.archive.org/web/20200925112708/http://videojuegosretro-upm.blogspot.com/2017/11/entrevista-gonzo-suarez.html#!http://web.archive.org/web/20200925113028/http://videojuegosretro-upm.blogspot.com/2017/11/entrevista-gonzo-suarez.html