Falkowski, L. S. (1978). Presidents, secretaries of state, and crises: In U.S. Foreign relations: a model and. Westview.
Cita Chicago (17th ed.)Falkowski, Lawrence S. Presidents, Secretaries of State, and Crises: In U.S. Foreign Relations: A Model and. Boulder, Colo: Westview, 1978.
Cita MLA (9th ed.)Falkowski, Lawrence S. Presidents, Secretaries of State, and Crises: In U.S. Foreign Relations: A Model and. Westview, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.