APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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