Lawson, K. (1989). The human polity: An introduction to political science (2nd ed.). Houghton.
Cita Chicago (17th ed.)Lawson, Kay. The Human Polity: An Introduction to Political Science. 2nd ed. Dallas: Houghton, 1989.
Cita MLA (9th ed.)Lawson, Kay. The Human Polity: An Introduction to Political Science. 2nd ed. Houghton, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.