APA (7th ed.) Zitazioa

Byrns, R. T., & Stone, G. W. (1992). Economics (5th ed.). HarperCollins College Pub..

Chicago Style (17th ed.) Zitazioa

Byrns, Ralph T., eta Gerald W. Stone. Economics. 5th ed. New York: HarperCollins College Pub., 1992.

MLA (9th ed.) Zitazioa

Byrns, Ralph T., eta Gerald W. Stone. Economics. 5th ed. HarperCollins College Pub., 1992.