Friedrich, C. J. (1963). Man and his government: An empirical theory of politics. McGraw-Hill.
Cita Chicago (17th ed.)Friedrich, Carl Joachim. Man and His Government: An Empirical Theory of Politics. Nueva York: McGraw-Hill, 1963.
Cita MLA (9th ed.)Friedrich, Carl Joachim. Man and His Government: An Empirical Theory of Politics. McGraw-Hill, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.