Dyfyniad APA

Fair, G. M. (1968). Water and wastewater engineering. New York: Wiley.

Dyfyniad Arddull Chicago

Fair, Gordon Maskew. Water and Wastewater Engineering. New York: Wiley, 1968.

Dyfyniad MLA

Fair, Gordon Maskew. Water and Wastewater Engineering. New York: Wiley, 1968.

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