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.
Lua i Stíl Chicago (17ú heag.)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.
Lua MLA (8ú heag.)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.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.