khalid, r. o. (1962). economic development and international equilbrium. the institute of national planning.
Cita Chicago (17th ed.)khalid, r. o. Economic Development and International Equilbrium. cairo: the institute of national planning, 1962.
Cita MLA (9th ed.)khalid, r. o. Economic Development and International Equilbrium. the institute of national planning, 1962.
Atenció: Aquestes cites poden no estar 100% correctes.