Anderson, S. H., Beiswenger, R. E., & Purdom, P. W. (1987). Environmental science (3rd ed.). Merrill.
Chicago Style (17th ed.) CitationAnderson, Stanley H., Ronald E. Beiswenger, and P. Walton,1917- Purdom. Environmental Science. 3rd ed. Columbus: Merrill, 1987.
MLA (9th ed.) CitationAnderson, Stanley H., et al. Environmental Science. 3rd ed. Merrill, 1987.
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