Thurber, J. A. (1991). Divided democracy: Cooperation and conflict between the president and Congress. CQ.
Cita Chicago (17th ed.)Thurber, James A. Divided Democracy: Cooperation and Conflict Between the President and Congress. Washington: CQ, 1991.
Cita MLA (9th ed.)Thurber, James A. Divided Democracy: Cooperation and Conflict Between the President and Congress. CQ, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.