Braun, D. D. (1991). The rich get richer: The rise of income inequality in the United States and the world. Nelson-Hall Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBraun, Dennis Duane. The Rich Get Richer: The Rise of Income Inequality in the United States and the World. Chicago: Nelson-Hall Publishers, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBraun, Dennis Duane. The Rich Get Richer: The Rise of Income Inequality in the United States and the World. Nelson-Hall Publishers, 1991.
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