Coulter, E. M. (1991). Principles of politics and government (4th.ed.). Allyn and Bacon.
Dyfyniad Arddull ChicagoCoulter, Edwin M. Principles of Politics and Government. 4th.ed. Dubuque: Allyn and Bacon, 1991.
Dyfyniad MLACoulter, Edwin M. Principles of Politics and Government. 4th.ed. Allyn and Bacon, 1991.
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