Freeman, J. L. (1955). The political process: Executive bureau-legislative committee relations. Doubleday.
Cita Chicago (17th ed.)Freeman, John Leiper. The Political Process: Executive Bureau-legislative Committee Relations. Garden City, N.Y: Doubleday, 1955.
Cita MLA (9th ed.)Freeman, John Leiper. The Political Process: Executive Bureau-legislative Committee Relations. Doubleday, 1955.
Atenció: Aquestes cites poden no estar 100% correctes.