Dyfyniad APA

Mara, D. (2003). The handbook water and wastewater microbiology. New York: Acedemic press.

Dyfyniad Arddull Chicago

Mara, Duncan. The Handbook Water and Wastewater Microbiology. New York: Acedemic press, 2003.

Dyfyniad MLA

Mara, Duncan. The Handbook Water and Wastewater Microbiology. New York: Acedemic press, 2003.

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