Παραπομπή APA
American Assembly., & Sawhill, J. C. (1979). Energy conservation and public policy. Englewood Cliffs: Prentice-Hall.
Παραπομπή Chicago StyleAmerican Assembly., and John C. Sawhill. Energy Conservation and Public Policy. Englewood Cliffs: Prentice-Hall, 1979.
Παραπομπή MLAAmerican Assembly., and John C. Sawhill. Energy Conservation and Public Policy. Englewood Cliffs: Prentice-Hall, 1979.
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