Friendrich, C. J. (1963). Man and his government: An empirical theory of politics. New York: McGraw-Hill.
Čikaški stil citiranjaFriendrich, Carl Joachim. Man and His Government: An Empirical Theory of Politics. New York: McGraw-Hill, 1963.
MLA način citiranjaFriendrich, Carl Joachim. Man and His Government: An Empirical Theory of Politics. New York: McGraw-Hill, 1963.
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