Shepard, W. E. (2014). Introducing Islam (Second edition.). Routledge.
Chicago Style aipamenaShepard, William E. Introducing Islam. Second edition. London: Routledge, 2014.
MLA aipamenaShepard, William E. Introducing Islam. Second edition. Routledge, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.