Burkhart, J. A., Krislov, S., & Lee, R. L. (1968). American government: The clash of issues (3a. ed.). Prentice-Hall.
Cita Chicago Style (17a ed.)Burkhart, James A., Samuel Krislov, y Raymond L. Lee. American Government: The Clash of Issues. 3a. ed. Englewood Cliffs: Prentice-Hall, 1968.
Cita MLA (9a ed.)Burkhart, James A., et al. American Government: The Clash of Issues. 3a. ed. Prentice-Hall, 1968.
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