Perrohet, T. (1991). Insight guides: South America. APA Pub.
芝加哥风格引文Perrohet, Tony. Insight Guides: South America. Singapore: APA Pub, 1991.
MLA引文Perrohet, Tony. Insight Guides: South America. APA Pub, 1991.
警告：这些引文格式不一定是100％准确.
APA引文