GARG SANTOSH KUMAR. (2022). ENVIRNMENTAL ENGINEERING VOL II SEWAGE DISPSAL AND AIR POLLUTION ENGINEERING (42 TH ED.). KHANNA PUBLISHERS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGARG SANTOSH KUMAR. ENVIRNMENTAL ENGINEERING VOL II SEWAGE DISPSAL AND AIR POLLUTION ENGINEERING. 42 TH ED. DELHI: KHANNA PUBLISHERS, 2022.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGARG SANTOSH KUMAR. ENVIRNMENTAL ENGINEERING VOL II SEWAGE DISPSAL AND AIR POLLUTION ENGINEERING. 42 TH ED. KHANNA PUBLISHERS, 2022.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.