Engge Eldon D. & Bradley F. Smith. (1998). Environmental Science: A study of interrelationships. McGraw Hill.
Chicago Style (17th ed.) CitationEngge Eldon D. and Bradley F. Smith. Environmental Science: A Study of Interrelationships. USA: McGraw Hill, 1998.
Trích dẫn MLAEngge Eldon D. and Bradley F. Smith. Environmental Science: A Study of Interrelationships. McGraw Hill, 1998.
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