APA-referens (7:e uppl.)

Main, R. S. (1981). Elements of microeconomics (2nd ed.). West Pub. Co..

Chicago-referens (17:e uppl.)

Main, Robert S. Elements of Microeconomics. 2nd ed. St. Paul: West Pub. Co., 1981.

MLA-referens (9:e uppl.)

Main, Robert S. Elements of Microeconomics. 2nd ed. West Pub. Co., 1981.