Masters,(Gilbert M). (1998). Introduction to environmental engineering and science/2nd ed (2nd ed.). Prentice-hall.
शिकागो स्टाइल उद्धरणMasters,(Gilbert M). Introduction to Environmental Engineering and Science/2nd Ed. 2nd ed. New Jersey: Prentice-hall, 1998.
एमएलए उद्धरणMasters,(Gilbert M). Introduction to Environmental Engineering and Science/2nd Ed. 2nd ed. Prentice-hall, 1998.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.