Vig, O. (1976). India's population: A study through extension of stable population techniques. Sterling Pubs. Pvt. Ltd.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVig, O.P. India's Population: A Study Through Extension of Stable Population Techniques. Sterling Pubs. Pvt. Ltd, 1976.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVig, O.P. India's Population: A Study Through Extension of Stable Population Techniques. Sterling Pubs. Pvt. Ltd, 1976.
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