APA استشهاد

(1977). Economic and Social Progress in the Second Development Decade; Report of the Secretary General.

استشهاد بنمط شيكاغو

Economic and Social Progress in the Second Development Decade; Report of the Secretary General. New York, 1977.

MLA استشهاد

Economic and Social Progress in the Second Development Decade; Report of the Secretary General. 1977.