McNichols, T. J. (1977). Policymaking and executive action (5th ed.). McGraw-Hill.
Tohutoru Kātū Chicago (17th ed.)McNichols, Thomas J. Policymaking and Executive Action. 5th ed. New York: McGraw-Hill, 1977.
Tohutoro MLA (9th ed.)McNichols, Thomas J. Policymaking and Executive Action. 5th ed. McGraw-Hill, 1977.
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