Gaya APA

Ansolabehere, T, J, L, /, B, G, /, K, A, S, /, S. (2010). American Government: Power and Purpose (Ed.30). London: W.W. Norton & Company.

Gaya MLA

Ansolabehere, Theodore, J., Lowi, /, Benjamin, Ginsberg, /, Kenneth, A., Shepsle, /, Stephen. "American Government: Power and Purpose". Ed.30 London: W.W. Norton & Company, 2010. Text.