Cita APA (7th ed.)

Carbaugh, R. J. (2009). International economics (12th ed.). South-Western Cengage Learning.

Cita Chicago (17th ed.)

Carbaugh, Robert J. International Economics. 12th ed. Mason, Ohio: South-Western Cengage Learning, 2009.

Cita MLA (9th ed.)

Carbaugh, Robert J. International Economics. 12th ed. South-Western Cengage Learning, 2009.