Friedrich, C. J. (1963). Man and his government: An empirical theory of politics. McGraw-Hill.
Dyfyniad Arddull ChicagoFriedrich, Carl Joachim. Man and His Government: An Empirical Theory of Politics. New York: McGraw-Hill, 1963.
Dyfyniad MLAFriedrich, Carl Joachim. Man and His Government: An Empirical Theory of Politics. McGraw-Hill, 1963.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.