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Lua i Stíl Chicago (17ú heag.)Ahmann, Dianne, agus John R. Dorgan. Bioengineering for Pollution Prevention. New York: Nova Science, 2009.
Lua MLA (9ú heag.)Ahmann, Dianne, agus John R. Dorgan. Bioengineering for Pollution Prevention. Nova Science, 2009.
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