APA (7th ed.) Zitazioa
Murdock, G. P. Africa: Its peoples and their culture history.
Chicago Style (17th ed.) Zitazioa
Murdock, George Peter. Africa: Its Peoples and Their Culture History.
MLA (9th ed.) Zitazioa
Murdock, George Peter. Africa: Its Peoples and Their Culture History.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.