APA (7th ed.) Zitazioa
Churchill, W. Homosexual behavior among males.
Chicago Style (17th ed.) Zitazioa
Churchill, Wainwright. Homosexual Behavior Among Males.
MLA (9th ed.) Zitazioa
Churchill, Wainwright. Homosexual Behavior Among Males.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.