Cunningham, W. P. (2006). Principles of enviromental science. New York: Margateth J. Kemp.
Chicago Style CitationCunningham, William P. Principles of Enviromental Science. New York: Margateth J. Kemp, 2006.
Cita MLACunningham, William P. Principles of Enviromental Science. New York: Margateth J. Kemp, 2006.
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