APA (7th ed.) Zitazioa
Ehret, C. (2002). The civilizations of Africa: A history to 1800. James Currey.
Chicago Style (17th ed.) Zitazioa
Ehret, Christopher. The Civilizations of Africa: A History to 1800. Oxford: James Currey, 2002.
MLA (9th ed.) Zitazioa
Ehret, Christopher. The Civilizations of Africa: A History to 1800. James Currey, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.