Perrohet, T. (1991). Insight guides: Peru. APA Pub.
Cita Chicago (17th ed.)Perrohet, Tony. Insight Guides: Peru. Singapore: APA Pub, 1991.
Cita MLA (9th ed.)Perrohet, Tony. Insight Guides: Peru. APA Pub, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.