Παραπομπή APA

Roolvink, R. (1957). Historical atlas of the Muslim peoples. Amsterdam.

Παραπομπή Chicago Style

Roolvink, Roelof. Historical Atlas of the Muslim Peoples. Amsterdam, 1957.

Παραπομπή MLA

Roolvink, Roelof. Historical Atlas of the Muslim Peoples. Amsterdam, 1957.