APA-čujuhus (7. p.)
Cooper, B., & Voegelin, E. (1999). Eric Voegelin and the foundations of modern political science. University of Missouri Press.
Chicago-čujuhus (17. p.)
Cooper, Barry, juo Eric Voegelin. Eric Voegelin and the Foundations of Modern Political Science. Columbia: University of Missouri Press, 1999.
MLA-čujuhus (9. p.)
Cooper, Barry, juo Eric Voegelin. Eric Voegelin and the Foundations of Modern Political Science. University of Missouri Press, 1999.
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