Nassef, A. (1973). Problems of Maintaining Employment in Developing Countries in the Face of Rapid Population Growth. The Institute of National Planning.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Nassef, Abdel-Fattah. Problems of Maintaining Employment in Developing Countries in the Face of Rapid Population Growth. Cairo: The Institute of National Planning, 1973.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Nassef, Abdel-Fattah. Problems of Maintaining Employment in Developing Countries in the Face of Rapid Population Growth. The Institute of National Planning, 1973.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.