APA aipamena

Tyerman, C. (2006). The Crusades: A Very Short Introduction (1st.). Oxford.

Chicago Style aipamena

Tyerman, Christopher. The Crusades: A Very Short Introduction. 1st. Oxford, 2006.

MLA aipamena

Tyerman, Christopher. The Crusades: A Very Short Introduction. 1st. Oxford, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.