Verma, K. (1977). Culture, ecology and population: An anthropo-demographic study. National Pubs. House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVerma, K.K. Culture, Ecology and Population: An Anthropo-demographic Study. National Pubs. House, 1977.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVerma, K.K. Culture, Ecology and Population: An Anthropo-demographic Study. National Pubs. House, 1977.
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