Ebrahimzadeh, I. (1997). The development of distance education in Iran: With special reference to the planning and management of Payam-E-Noor University. University of Bristol.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ebrahimzadeh, Issa. The Development of Distance Education in Iran: With Special Reference to the Planning and Management of Payam-E-Noor University. Bristol: University of Bristol, 1997.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ebrahimzadeh, Issa. The Development of Distance Education in Iran: With Special Reference to the Planning and Management of Payam-E-Noor University. University of Bristol, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.