APA-referens (7:e uppl.)

RUTHVEN, M. (1985). Islam in the world. Pinguin Book.

Chicago-referens (17:e uppl.)

RUTHVEN, Malise. Islam in the World. Victoria: Pinguin Book, 1985.

MLA-referens (9:e uppl.)

RUTHVEN, Malise. Islam in the World. Pinguin Book, 1985.