Stark, H. (1963). Social and economic frontiers in Latin America (2nd ed.). W. C. Brown.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रStark, Harry. Social and Economic Frontiers in Latin America. 2nd ed. Dubuque, Iowa: W. C. Brown, 1963.
एमएलए (9वां संस्करण) प्रशस्ति पत्रStark, Harry. Social and Economic Frontiers in Latin America. 2nd ed. W. C. Brown, 1963.
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