Cita APA (7th ed.)

Perrohet, T. (1991). Insight guides: South America. APA Pub.

Cita Chicago (17th ed.)

Perrohet, Tony. Insight Guides: South America. Singapore: APA Pub, 1991.

Cita MLA (9th ed.)

Perrohet, Tony. Insight Guides: South America. APA Pub, 1991.