PRESTHUS, R. (1974). Elites in the policy process. Cambridge University Press.
Tohutoru Kātū Chicago (17th ed.)PRESTHUS, Robert. Elites in the Policy Process. London: Cambridge University Press, 1974.
Tohutoro MLA (9th ed.)PRESTHUS, Robert. Elites in the Policy Process. Cambridge University Press, 1974.
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