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.
ציטוט MLAFrank Ackerman. Why Do We Recycle?: Markets, Values, and Public Policy. Washington, D.C: Island Press, 1997.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.