Singer, H. W. (1972). Children in the strategy of development. United Nations.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSinger, H. W. Children in the Strategy of Development. New York: United Nations, 1972.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSinger, H. W. Children in the Strategy of Development. United Nations, 1972.
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