Kellstedt, P. M., & Whitten, G. D. (2013). The fundamentals of political science research (Second edition.). Cambridge University Press.
Čikaški stil citiranja (17. izdanje)Kellstedt, Paul M., i Guy D. Whitten. The Fundamentals of Political Science Research. Second edition. Cambridge: Cambridge University Press, 2013.
MLA način citiranja (8. izdanje)Kellstedt, Paul M., i Guy D. Whitten. The Fundamentals of Political Science Research. Second edition. Cambridge University Press, 2013.
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