Mason, C. (2002). Biology of freshwater pollution (4th ed.). Prentice-Hall of India.
Chicago-stil citatMason, Christopher. Biology of Freshwater Pollution. 4th ed. London: Prentice-Hall of India, 2002.
MLA-referensMason, Christopher. Biology of Freshwater Pollution. 4th ed. Prentice-Hall of India, 2002.
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