Singh, G. (1974). Water Supply and Sanitary Engineering. Standard Publishers Distributors.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSingh, Gurcharan. Water Supply and Sanitary Engineering. Standard Publishers Distributors, 1974.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSingh, Gurcharan. Water Supply and Sanitary Engineering. Standard Publishers Distributors, 1974.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.