APA (7th ed.) Zitazioa
Abd El Massih. (1965). Islam and Christianity: 90 questions and answers. Daystar Press.
Chicago Style (17th ed.) Zitazioa
Abd El Massih. Islam and Christianity: 90 Questions and Answers. Ibadan: Daystar Press, 1965.
MLA (9th ed.) Zitazioa
Abd El Massih. Islam and Christianity: 90 Questions and Answers. Daystar Press, 1965.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.