APA Style

KEYES, H, R. (1971). INTERNATIONAL HAND BOOK OF UNIVERSITIES (1). Internatoal Assoiaton o Univer: British.

MLA Style

KEYES, H.M., R.. "INTERNATIONAL HAND BOOK OF UNIVERSITIES". 1 Internatoal Assoiaton o Univer: British, 1971. المصادر المراجع.