Tyerman, C. (2006). The Crusades: A Very Short Introduction (1st.). Oxford.
Cita Chicago (17th ed.)Tyerman, Christopher. The Crusades: A Very Short Introduction. 1st. Oxford, 2006.
Cita MLA (9th ed.)Tyerman, Christopher. The Crusades: A Very Short Introduction. 1st. Oxford, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.