kamel, a. f. (1967). uar foreign trade repercussions on economic development. the institute of national planning.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)kamel, ahmed f. Uar Foreign Trade Repercussions on Economic Development. cairo: the institute of national planning, 1967.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)kamel, ahmed f. Uar Foreign Trade Repercussions on Economic Development. the institute of national planning, 1967.