Birdsall, N. e., & Allen C. Kelley;Birdsall, N. W. S. (2003). Population matters: Demographic change, economic growth, and poverty in the developing world. Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBirdsall, Nancy eds, और Nancy;Steven W. Sinding Allen C. Kelley;Birdsall. Population Matters: Demographic Change, Economic Growth, and Poverty in the Developing World. Oxford University Press, 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBirdsall, Nancy eds, और Nancy;Steven W. Sinding Allen C. Kelley;Birdsall. Population Matters: Demographic Change, Economic Growth, and Poverty in the Developing World. Oxford University Press, 2003.
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