MASTERS, G. M. (1991). Introduction To Environmental Engineering And Science Gilbert M. Masters. Prentice-Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMASTERS, Gilbert M. Introduction To Environmental Engineering And Science Gilbert M. Masters. Prentice-Hall, 1991.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMASTERS, Gilbert M. Introduction To Environmental Engineering And Science Gilbert M. Masters. Prentice-Hall, 1991.
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