Frank Ackerman. (1997). Why do we recycle?: Markets, values, and public policy. Washington, D.C: Island Press.
Trích dẫn kiểu ChicagoFrank Ackerman. Why Do We Recycle?: Markets, Values, and Public Policy. Washington, D.C: Island Press, 1997.
Deismireacht MLAFrank Ackerman. Why Do We Recycle?: Markets, Values, and Public Policy. Washington, D.C: Island Press, 1997.
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