Gorgen, C. P. (1963). Catholic conscientious objectors. s.n..
Chicagoスタイル(17版)引用形式Gorgen, Carol Perry. Catholic Conscientious Objectors. [United States: s.n., 1963.
MLA(8版)引用形式Gorgen, Carol Perry. Catholic Conscientious Objectors. s.n., 1963.
警告: この引用は必ずしも正確ではありません.