Environment (19th ed.). Dushkin Pub. Group.
Chicago Style (17th ed.) CitationEnvironment. 19th ed. Guilford, Ct: Dushkin Pub. Group.
MLA citiranjeEnvironment. 19th ed. Dushkin Pub. Group.
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Environment (19th ed.). Dushkin Pub. Group.
Chicago Style (17th ed.) CitationEnvironment. 19th ed. Guilford, Ct: Dushkin Pub. Group.
MLA citiranjeEnvironment. 19th ed. Dushkin Pub. Group.