Sarai, D. S. (2006). Water treatment made simple for operators. John Wiley & Sons.
शिकागो स्टाइल उद्धरणSarai, Darshan Singh. Water Treatment Made Simple for Operators. N. Jersey: John Wiley & Sons, 2006.
एमएलए उद्धरणSarai, Darshan Singh. Water Treatment Made Simple for Operators. John Wiley & Sons, 2006.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.