Παραπομπή APA

Coleman, J. R. (1968). Comparative economic system: An inquiry approach. Rinehart.

Παραπομπή Chicago Style

Coleman, John R. Comparative Economic System: An Inquiry Approach. New York: Rinehart, 1968.

Παραπομπή MLA

Coleman, John R. Comparative Economic System: An Inquiry Approach. Rinehart, 1968.