Lawson, K. (1997). The human polity: A comparative introduction to political science (4th ed.). Houghton Mifflin.
Chicago-viite (17. p.)Lawson, Kay. The Human Polity: A Comparative Introduction to Political Science. 4th ed. Boston: Houghton Mifflin, 1997.
MLA-viite (9. p.)Lawson, Kay. The Human Polity: A Comparative Introduction to Political Science. 4th ed. Houghton Mifflin, 1997.
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