APA (7th ed.) Zitazioa
Phillipson, D. W. (2012). Foundations of an African civilization: Aksum and the northern horn 1000BC-AD1300. James Currey.
Chicago Style (17th ed.) Zitazioa
Phillipson, David W. Foundations of an African Civilization: Aksum and the Northern Horn 1000BC-AD1300. New York: James Currey, 2012.
MLA (9th ed.) Zitazioa
Phillipson, David W. Foundations of an African Civilization: Aksum and the Northern Horn 1000BC-AD1300. James Currey, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.