Murray, J. C. (1968). Selective Conscientious Objection. Huntington, Ind..
Lua i Stíl Chicago (17ú heag.)Murray, John Courtney. Selective Conscientious Objection. Huntington, Ind., 1968.
Lua MLA (8ú heag.)Murray, John Courtney. Selective Conscientious Objection. Huntington, Ind., 1968.
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