Grimes, A. P., & Horwitz, R. (1959). Modern political ideologies. Oxford University Press.
Cita Chicago Style (17a ed.)Grimes, Alan Pendleton, y Robert Horwitz. Modern Political Ideologies. New York: Oxford University Press, 1959.
Cita MLA (9a ed.)Grimes, Alan Pendleton, y Robert Horwitz. Modern Political Ideologies. Oxford University Press, 1959.
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