Παραπομπή APA

William Weir. (2006). 50 battles that changed the world. Bounty Books.

Παραπομπή Chicago Style

William Weir. 50 Battles That Changed the World. London: Bounty Books, 2006.

Παραπομπή MLA

William Weir. 50 Battles That Changed the World. Bounty Books, 2006.