Paine, M. (2001). The crusades. Pocket Essentials.
Lua i Stíl Chicago (17ú heag.)Paine, Mike. The Crusades. Harpenden: Pocket Essentials, 2001.
Lua MLA (9ú heag.)Paine, Mike. The Crusades. Pocket Essentials, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.