Cita APA (7th ed.)

Stockman, A. C. (1999). Introduction to economics (2nd ed.). Dryden Press.

Cita Chicago (17th ed.)

Stockman, Alan C. Introduction to Economics. 2nd ed. Fort Worth: Dryden Press, 1999.

Cita MLA (9th ed.)

Stockman, Alan C. Introduction to Economics. 2nd ed. Dryden Press, 1999.