APA aipamena

Wills, G. (2002). Why I am a Catholic. Boston: Houghton Mifflin.

Chicago Style aipamena

Wills, Garry. Why I Am a Catholic. Boston: Houghton Mifflin, 2002.

MLA aipamena

Wills, Garry. Why I Am a Catholic. Boston: Houghton Mifflin, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.