Schnitzer, M. C. (1994). Comparative economic systems (6th ed.). South-Western.
Chicago-referens (17:e uppl.)Schnitzer, Martin C. Comparative Economic Systems. 6th ed. Cincinnati, Ohio: South-Western, 1994.
MLA-referens (9:e uppl.)Schnitzer, Martin C. Comparative Economic Systems. 6th ed. South-Western, 1994.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.