APA (7th ed.) Zitazioa
American Council of Learned Societies. (1920). Bulletin.
Chicago Style (17th ed.) Zitazioa
American Council of Learned Societies. Bulletin. New York, 1920.
MLA (9th ed.) Zitazioa
American Council of Learned Societies. Bulletin. 1920.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.