APA aipamena

Dolan, E. G., & Stigum, M. L. (1980). Economics (4th ed.). Dryden.

Chicago Style aipamena

Dolan, Edwin G., and Marcia L. Stigum. Economics. 4th ed. London: Dryden, 1980.

MLA aipamena

Dolan, Edwin G., and Marcia L. Stigum. Economics. 4th ed. Dryden, 1980.