توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Abdollahy, R. (1977). A history of chronology and calenders in Iran from ancient to modern times, with principles of date-conversion. British Library Document Supply Centre.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Abdollahy, Reza. A History of Chronology and Calenders in Iran from Ancient to Modern Times, with Principles of Date-conversion. Boston Spa, United Kindom: British Library Document Supply Centre, 1977.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Abdollahy, Reza. A History of Chronology and Calenders in Iran from Ancient to Modern Times, with Principles of Date-conversion. British Library Document Supply Centre, 1977.