行政機関
Cronin, T. E. 1975. The state of the presidency. Boston: Little, Brown & Co.
Finer, S. E. 1962. The man on horseback. London: Pall Mall Press.
Headey, B. 1974. British cabinet ministers, London: Allen & Unwin.
Heclo, H. 1977. A government of strangers. Washington, D.C.: Brookings Institution.
Hook, S. 1955. The hero in history. Boston: Beacon Press.
Kellerman, B. ed. 1984. Leadership. Englewood Cliffs, N.J.: Prentice-Hall.
Neustadt, R. 1960. Presidental power. New York: John Wiley.
Rose, R. 1984. Do parties make a defference? London: Macmillan.
Verney, D. V. 1959. the analysis of political systems. London: Routledge & Kegan Paul.