Boettcher, W. A. (2005). Presidential risk behavior in foreign policy: Prudence or peril? Palgrave Macmillan.
Chicago-čujuhus (17. p.)Boettcher, William A. Presidential Risk Behavior in Foreign Policy: Prudence or Peril? New York: Palgrave Macmillan, 2005.
MLA-čujuhus (9. p.)Boettcher, William A. Presidential Risk Behavior in Foreign Policy: Prudence or Peril? Palgrave Macmillan, 2005.
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