Statistics, D. B. o. E. a. (1986). Union territory of Delhi: Repor on Annual Survey of Industries: 1982-83 (Factory Sector). The author.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रStatistics, Delhi. Bureau of Economics and. Union Territory of Delhi: Repor on Annual Survey of Industries: 1982-83 (Factory Sector). The author, 1986.
एमएलए (9वां संस्करण) प्रशस्ति पत्रStatistics, Delhi. Bureau of Economics and. Union Territory of Delhi: Repor on Annual Survey of Industries: 1982-83 (Factory Sector). The author, 1986.
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