Polsby, N. W., & Wildavsky, A. B. (1968). Presidential elections: Strategies of American electoral politics (2nd ed.). Charles Scribner's.
Cita Chicago (17th ed.)Polsby, Nelson W., i Aaron B. Wildavsky. Presidential Elections: Strategies of American Electoral Politics. 2nd ed. New York: Charles Scribner's, 1968.
Cita MLA (9th ed.)Polsby, Nelson W., i Aaron B. Wildavsky. Presidential Elections: Strategies of American Electoral Politics. 2nd ed. Charles Scribner's, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.