Harphan, E. J. (1982). The political economy of public policy. Sage.
Tohutoru Kātū Chicago (17th ed.)Harphan, Edward J. The Political Economy of Public Policy. Beverly Hills: Sage, 1982.
Tohutoro MLA (9th ed.)Harphan, Edward J. The Political Economy of Public Policy. Sage, 1982.
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