Gaya APA

Ecological effects of wastewater : applied limnology and pollutant effects [sumber elektronik] / E.B.Welch, T.Lindell. (1992). : .

Gaya MLA

Ecological effects of wastewater : applied limnology and pollutant effects [sumber elektronik] / E.B.Welch, T.Lindell. Ed. Ke- 2. : , 1992. Text.