Falkowski. Lawrence S. (1978). Presidents, secretaries of state, and crisesin U.S. Foreign relations: A model and predictive Analysis. Westview.
Citace podle Chicago (17th ed.)Falkowski. Lawrence S. Presidents, Secretaries of State, and Crisesin U.S. Foreign Relations: A Model and Predictive Analysis. Boulder, Colo: Westview, 1978.
Citace podle MLA (9th ed.)Falkowski. Lawrence S. Presidents, Secretaries of State, and Crisesin U.S. Foreign Relations: A Model and Predictive Analysis. Westview, 1978.
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