Falkowski, L. S. (1978). Presidents, secretaries of state, and crises in U.S. foreign: Relations :a model and predictive analysis. Westview Pr.
Citazione stile Chigago Style (17a edizione)Falkowski, Lawrence S. Presidents, Secretaries of State, and Crises in U.S. Foreign: Relations :a Model and Predictive Analysis. Boulder, Colo: Westview Pr, 1978.
Citatione MLA (9a ed.)Falkowski, Lawrence S. Presidents, Secretaries of State, and Crises in U.S. Foreign: Relations :a Model and Predictive Analysis. Westview Pr, 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.