Haykal, M. H. (1995). The life of Muhammad. Crescent.
Chicago Style aipamenaHaykal, Muhammad Husayn. The Life of Muhammad. New Delhi: Crescent, 1995.
MLA aipamenaHaykal, Muhammad Husayn. The Life of Muhammad. Crescent, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.