Grace, R. A. (1978). Marine Outfall Systems: Planning, Design and Construction. Prentice-Hall of India.
शिकागो स्टाइल उद्धरणGrace, Robert. A. Marine Outfall Systems: Planning, Design and Construction. New Jersey: Prentice-Hall of India, 1978.
एमएलए उद्धरणGrace, Robert. A. Marine Outfall Systems: Planning, Design and Construction. Prentice-Hall of India, 1978.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.