Betts, R. K. (1982). Surprise attack: Lessons for defense planning. Brookings Institution.
Chicago-čujuhus (17. p.)Betts, Richard K. Surprise Attack: Lessons for Defense Planning. Washington: Brookings Institution, 1982.
MLA-čujuhus (9. p.)Betts, Richard K. Surprise Attack: Lessons for Defense Planning. Brookings Institution, 1982.
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