Ackerman, F. (1997). Why do we recycle: Markets, values, and public policy. Island Press.
芝加哥风格引文Ackerman, Frank. Why Do We Recycle: Markets, Values, and Public Policy. Washington, D.C.: Island Press, 1997.
MLA引文Ackerman, Frank. Why Do We Recycle: Markets, Values, and Public Policy. Island Press, 1997.
警告：这些引文格式不一定是100％准确.