APA (7th ed.) Zitazioa
Lowi, T. J., Ginsberg, B., & Shepsle, K. A. (2009). American government: Power and purpose (10th ed.). W.W. Norton.
Chicago Style (17th ed.) Zitazioa
Lowi, Theodore J., Benjamin Ginsberg, eta Kenneth A. Shepsle. American Government: Power and Purpose. 10th ed. New York: W.W. Norton, 2009.
MLA (9th ed.) Zitazioa
Lowi, Theodore J., et al. American Government: Power and Purpose. 10th ed. W.W. Norton, 2009.
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