(1986). Population: An Introduction To Concepts And Issues / John R. Weeks. Wadsworth.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPopulation: An Introduction To Concepts And Issues / John R. Weeks. Wadsworth, 1986.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPopulation: An Introduction To Concepts And Issues / John R. Weeks. Wadsworth, 1986.
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