Riddler's Den [Model MRK 603/IN1], the Sinclair ZX Spectrum cass. [Internet], Arcade-History/Gaming-History website [cited April 28, 2024]. Available from: https://www.arcade-history.com/?page=detail&id=80504
Riddler's Den [Model MRK 603/IN1], the Sinclair ZX Spectrum cass.. Arcade-History/Gaming/History the website. April 28, 2024. Available at https://www.arcade-history.com/?page=detail&id=80504. Accessed April 28, 2024.
BibTeX entry
@misc{gh:80504, author = {Arcade-History/Gaming-history}, title = {Riddler's Den [Model MRK 603/IN1], the Sinclair ZX Spectrum cass.}, year = {2024}, url = {"https://www.arcade-history.com/?page=detail\&id=80504"}, note = {[Online; accessed April 28, 2024]} }