(1989). Acer 500 User's guide: The gateway to personal computing. Acer.
Chicago Style (17th ed.) ZitazioaAcer 500 User's Guide: The Gateway to Personal Computing. Taipéi: Acer, 1989.
MLA (9th ed.) ZitazioaAcer 500 User's Guide: The Gateway to Personal Computing. Acer, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.