Pfiffner, J. M., & Presthus, R. V. (1960). Public administration (4th ed.). Ronald press co.
Cita Chicago (17th ed.)Pfiffner, John McDonald, i Robert Vance Presthus. Public Administration. 4th ed. New York: Ronald press co, 1960.
Cita MLA (9th ed.)Pfiffner, John McDonald, i Robert Vance Presthus. Public Administration. 4th ed. Ronald press co, 1960.
Atenció: Aquestes cites poden no estar 100% correctes.