Strong, R. A. (1992). Decisions and dilemmas: Case studies in presidential foreign policy making. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Strong, Robert A. Decisions and Dilemmas: Case Studies in Presidential Foreign Policy Making. Englewood Cliffs, N.J: Prentice Hall, 1992.
Lua MLA (9ú heag.)Strong, Robert A. Decisions and Dilemmas: Case Studies in Presidential Foreign Policy Making. Prentice Hall, 1992.
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