The Checkbook Manager [Model 03-2003], the Sinclair ZX-81 cass.. Arcade-History/Gaming/History the website. May 07, 2024. Available at https://www.arcade-history.com/?page=detail&id=114703. Accessed May 07, 2024.
BibTeX entry
@misc{gh:114703, author = {Arcade-History/Gaming-history}, title = {The Checkbook Manager [Model 03-2003], the Sinclair ZX-81 cass.}, year = {2024}, url = {"https://www.arcade-history.com/?page=detail\&id=114703"}, note = {[Online; accessed May 07, 2024]} }