Easton, T. A. (2011). Taking sides: Clashing views on environmental issues (14th ed.). New York: McGraw-Hill.
Trích dẫn kiểu ChicagoEaston, Thomas A. Taking Sides: Clashing Views On Environmental Issues. 14th ed. New York: McGraw-Hill, 2011.
Deismireacht MLAEaston, Thomas A. Taking Sides: Clashing Views On Environmental Issues. 14th ed. New York: McGraw-Hill, 2011.
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