Coulter, E. M. (1981). Principles of politics and Government. Allyn and Bacon.
Tohutoru Kātū Chicago (17th ed.)Coulter, Edwin M. Principles of Politics and Government. Boston: Allyn and Bacon, 1981.
Tohutoro MLA (9th ed.)Coulter, Edwin M. Principles of Politics and Government. Allyn and Bacon, 1981.
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