APA aipamena

Armstrong, K. (2001). Holy war: The crusades and their impact on today`s world.

Chicago Style aipamena

Armstrong, Karen. Holy War: The Crusades and Their Impact on Today`s World. Anchor Books, New York, 2001.

MLA aipamena

Armstrong, Karen. Holy War: The Crusades and Their Impact on Today`s World. 2001.