Reference+Page

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**Source Citation** Cunningham, William P. "Water Pollution." //Environmental Encyclopedia//. 4th ed. Vol. 2. Detroit: Gale, 2011. 1731-1734. //Gale Virtual Reference Library//. Web. 3 Nov. 2011. Document URL []

** S ource Citation ** Leduc, Denise M. "Point Source." //Pollution A to Z//. Ed. Richard M. Stapleton. Vol. 2. New York: Macmillan Reference USA, 2004. 115-119. //Gale Virtual Reference Library//. Web. 3 Nov. 2011. Document URL []

"Water Pollution Guide." //Water Pollution//. Web. 02 Nov. 2011. <[]>.

"Causes of Water Pollution." //Environmental Pollution Centers | The Online Pollution Guide//. Web. 02 Nov. 2011. <[]>.