Tyerman, C. (2006). The Crusades: A Very Short Introduction (1st.). Oxford.
Chicago-čujuhus (17. p.)Tyerman, Christopher. The Crusades: A Very Short Introduction. 1st. Oxford, 2006.
MLA-čujuhus (9. p.)Tyerman, Christopher. The Crusades: A Very Short Introduction. 1st. Oxford, 2006.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.