Friedrich, C. J. (1963). Man and his government: An empirical theory of politics. McGraw-Hill.
Chicago Style aipamenaFriedrich, Carl Joachim. Man and His Government: An Empirical Theory of Politics. New York: McGraw-Hill, 1963.
MLA aipamenaFriedrich, Carl Joachim. Man and His Government: An Empirical Theory of Politics. McGraw-Hill, 1963.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.