Ouano, E. (1983). Principles of Waste Water Treatment. National Science Development Board.
Čikaški stil citiranjaOuano, E.A.R. Principles of Waste Water Treatment. Manila: National Science Development Board, 1983.
MLA način citiranjaOuano, E.A.R. Principles of Waste Water Treatment. National Science Development Board, 1983.
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