APA (7th ed.) Zitazioa
Tyerman, C. (2005). The Crusades: A very short introduction. Oxford University Press.
Chicago Style (17th ed.) Zitazioa
Tyerman, Christopher. The Crusades: A Very Short Introduction. Oxford ; New York: Oxford University Press, 2005.
MLA (9th ed.) Zitazioa
Tyerman, Christopher. The Crusades: A Very Short Introduction. Oxford University Press, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.