Johnson, L. E. (2009). Geographic information system in water resources engineering. CRC Press.
शिकागो स्टाइल उद्धरणJohnson, Lynn E. Geographic Information System in Water Resources Engineering. Boca Raton: CRC Press, 2009.
एमएलए उद्धरणJohnson, Lynn E. Geographic Information System in Water Resources Engineering. CRC Press, 2009.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.