Perrohet, T. (1991). Insight guides: Peru. APA Pub.
Lua i Stíl Chicago (17ú heag.)Perrohet, Tony. Insight Guides: Peru. Singapore: APA Pub, 1991.
Lua MLA (9ú heag.)Perrohet, Tony. Insight Guides: Peru. APA Pub, 1991.
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