American University (Washington, D.C.) Foreign Area Studies, & Nyrop, R. F. (1978). Iran, a country study (Third 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, و Richard F. Nyrop. Iran, a Country Study. Third 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, و Richard F. Nyrop. Iran, a Country Study. Third edition. For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1978.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.