Enger, E. D. (2000). Environmental science: A study of interrelationships. Boston, Mass: McGraw-Hill.
Trích dẫn kiểu ChicagoEnger, Eldon D. Environmental Science: A Study of Interrelationships. Boston, Mass: McGraw-Hill, 2000.
MLA citiranjeEnger, Eldon D. Environmental Science: A Study of Interrelationships. Boston, Mass: McGraw-Hill, 2000.
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