Ackerman, F. (1997). Why do we recycle: Markets, values, and public policy. Island Press.
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Chicago-čujuhus (17. p.)
Ackerman, Frank. Why Do We Recycle: Markets, Values, and Public Policy. Washington, D.C.: Island Press, 1997.
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MLA-čujuhus (9. p.)
Ackerman, Frank. Why Do We Recycle: Markets, Values, and Public Policy. Island Press, 1997.
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