Ball, D. (1972). The strategic missile programme of the Kennedy administration, 1961-1963.
Lua i Stíl Chicago (17ú heag.)Ball, Desmond. The Strategic Missile Programme of the Kennedy Administration, 1961-1963. 1972.
Lua MLA (8ú heag.)Ball, Desmond. The Strategic Missile Programme of the Kennedy Administration, 1961-1963. 1972.
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