Cita APA

Arnold, R. A. (2020). Economics (13th ed.). Cengage Learning.

Citación estilo Chicago

Arnold, Roger A. Economics. 13th ed. Boston, MA: Cengage Learning, 2020.

Cita MLA

Arnold, Roger A. Economics. 13th ed. Cengage Learning, 2020.

Warning: These citations may not always be 100% accurate.