American University (Washington, D.C.) Foreign Area Studies, Nelson, H. D., & Nyrop, R. F. (1978). Morocco: A country study (Fourth edition.). For sale by the Supt. of Docs., U.S. Govt. Print. Off..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)American University (Washington, D.C.) Foreign Area Studies, Harold D. Nelson, و Richard F. Nyrop. Morocco: A Country Study. Fourth edition. Washington: For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1978.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)American University (Washington, D.C.) Foreign Area Studies, et al. Morocco: A Country Study. Fourth edition. For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1978.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.