APA-referens (7:e uppl.)

Stone, G. W. (2012). Core economics (Second edition.). Worth Pubishers.

Chicago-referens (17:e uppl.)

Stone, Gerald W. Core Economics. Second edition. New York, NY: Worth Pubishers, 2012.

MLA-referens (9:e uppl.)

Stone, Gerald W. Core Economics. Second edition. Worth Pubishers, 2012.