APA (7th ed.) Zitazioa
Kaeuper, R. W. (2009). Holy warriors: The religious ideology of chivalry. University of Pennsylvania Press.
Chicago Style (17th ed.) Zitazioa
Kaeuper, Richard W. Holy Warriors: The Religious Ideology of Chivalry. Philadelphia, Pa.: University of Pennsylvania Press, 2009.
MLA (9th ed.) Zitazioa
Kaeuper, Richard W. Holy Warriors: The Religious Ideology of Chivalry. University of Pennsylvania Press, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.