Viessman, W., & Hammer, M. J. (1993). Water supply and pollution control (5th ed.). Harper Collins.
Chicago Style (17th ed.) CitationViessman, Warren, and Mark J. Hammer. Water Supply and Pollution Control. 5th ed. New York: Harper Collins, 1993.
MLA (9th ed.) CitationViessman, Warren, and Mark J. Hammer. Water Supply and Pollution Control. 5th ed. Harper Collins, 1993.
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