APA (7 वां संस्करण) प्रशस्ति पत्र

Roll of Ipsden, E. R. (1992). A history of economic thought (5th rev. ed.). Rupa & Co..

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Roll of Ipsden, Eric Roll. A History of Economic Thought. 5th rev. ed. New Delhi: Rupa & Co., 1992.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Roll of Ipsden, Eric Roll. A History of Economic Thought. 5th rev. ed. Rupa & Co., 1992.