Sali, A. M., & Moustafa, M. A. (2007). Export and Economic Development in Cameroon. Institute of National Planning. international economic relation center.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sali, Arabo Mohamadou, و Moustafa Ahmed Moustafa. Export and Economic Development in Cameroon. cairo: Institute of National Planning. international economic relation center, 2007.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Sali, Arabo Mohamadou, و Moustafa Ahmed Moustafa. Export and Economic Development in Cameroon. Institute of National Planning. international economic relation center, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.