Coleman, J. R. (1968). Comparative economic systems: An inquiry approach. Holt, Rinehart and Winston.
Chicago-referens (17:e uppl.)Coleman, John R. Comparative Economic Systems: An Inquiry Approach. New York: Holt, Rinehart and Winston, 1968.
MLA-referens (9:e uppl.)Coleman, John R. Comparative Economic Systems: An Inquiry Approach. Holt, Rinehart and Winston, 1968.