Lowi, T. J., Ginsberg, B., & Shepsle, K. A. (2002). American government: Power and purpose (7th core ed.). New York: Norton.
Trích dẫn kiểu ChicagoLowi, Theodore J., Benjamin Ginsberg, và Kenneth A. Shepsle. American Government: Power and Purpose. 7th core ed. New York: Norton, 2002.
Deismireacht MLALowi, Theodore J., Benjamin Ginsberg, và Kenneth A. Shepsle. American Government: Power and Purpose. 7th core ed. New York: Norton, 2002.
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