(1972). Economic aspects of population change. Government printing office.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEconomic Aspects of Population Change. Washington: Government printing office, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEconomic Aspects of Population Change. Government printing office, 1972.
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