APA-čujuhus (7. p.)
Ackerman, F. (1997). Why do we recycle: Markets, values, and public policy. Island Press.
Chicago-čujuhus (17. p.)
Ackerman, Frank. Why Do We Recycle: Markets, Values, and Public Policy. Washington, D.C.: Island Press, 1997.
MLA-čujuhus (9. p.)
Ackerman, Frank. Why Do We Recycle: Markets, Values, and Public Policy. Island Press, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.