Paulsen, D. F., & Denhardt, R. B. (1973). Pollution and public policy: A book of readings. New York: Dodd, Mead and Company.
Παραπομπή Chicago StylePaulsen, David F., and Robert B. Denhardt. Pollution and Public Policy: A Book of Readings. New York: Dodd, Mead and Company, 1973.
Παραπομπή MLAPaulsen, David F., and Robert B. Denhardt. Pollution and Public Policy: A Book of Readings. New York: Dodd, Mead and Company, 1973.
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