APA (7th ed.) Zitazioa
Healey, J. G. (2004). Once upon a time in Africa: Stories of wisdom and joy. Orbis Books.
Chicago Style (17th ed.) Zitazioa
Healey, Joseph G. Once upon a Time in Africa: Stories of Wisdom and Joy. Maryknoll, N.Y.: Orbis Books, 2004.
MLA (9th ed.) Zitazioa
Healey, Joseph G. Once upon a Time in Africa: Stories of Wisdom and Joy. Orbis Books, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.