APA استشهاد

World bank. (1981). Comparative study of the management and organisation of irrigation projects No-458. The world Bank.

استشهاد بنمط شيكاغو

World bank. Comparative Study of the Management and Organisation of Irrigation Projects No-458. Washing ton DC: The world Bank, 1981.

MLA استشهاد

World bank. Comparative Study of the Management and Organisation of Irrigation Projects No-458. The world Bank, 1981.