APA (7th ed.) Zitazioa
(1978). Competitor's General Knowledge Tips. Baliadi Printing Works.
Chicago Style (17th ed.) Zitazioa
Competitor's General Knowledge Tips. Dacca: Baliadi Printing Works, 1978.
MLA (9th ed.) Zitazioa
Competitor's General Knowledge Tips. Baliadi Printing Works, 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.