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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAuthority, India. Central Electricity. Seventh Annual Electric Power Survey of India. The author, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAuthority, India. Central Electricity. Seventh Annual Electric Power Survey of India. The author, 1972.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.