Cita APA (7th ed.)

McEachern, W. A. (1994). Economics: A contemporary introduction (3rd ed.). South-Western.

Cita Chicago (17th ed.)

McEachern, William A. Economics: A Contemporary Introduction. 3rd ed. Ohio: South-Western, 1994.

Cita MLA (9th ed.)

McEachern, William A. Economics: A Contemporary Introduction. 3rd ed. South-Western, 1994.