Dyfyniad APA

Ouano, E. (1983). Principles of Waste Water Treatment. National Science Development Board.

Dyfyniad Arddull Chicago

Ouano, E.A.R. Principles of Waste Water Treatment. Manila: National Science Development Board, 1983.

Dyfyniad MLA

Ouano, E.A.R. Principles of Waste Water Treatment. National Science Development Board, 1983.

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