Gaya APA

Farah, M, A., Karls, A, B. (1999). World history : the human experience the early ages . New York: Glencoe Mcgraw-Hill.

Gaya MLA

Farah, Mounir, A.., Karls, Andrea, Berens. "World history : the human experience the early ages". New York: Glencoe Mcgraw-Hill, 1999. Text.