Ouano, E. (1983). Principles of Waste Water Treatment. National Science Development Board.
Chicago-stil citatOuano, E.A.R. Principles of Waste Water Treatment. Manila: National Science Development Board, 1983.
MLA-referensOuano, E.A.R. Principles of Waste Water Treatment. National Science Development Board, 1983.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.