Wachter. Kenneth W. (2014). Essential demographic methods. Harvard University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWachter. Kenneth W. Essential Demographic Methods. London: Harvard University Press, 2014.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWachter. Kenneth W. Essential Demographic Methods. Harvard University Press, 2014.
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