National Service Board for Religious Objectors. (1947). Directory of Civilian Public Service, May, 1941 to March, 1947. National Service Board for Religious Objectors.
Chicagoスタイル(17版)引用形式National Service Board for Religious Objectors. Directory of Civilian Public Service, May, 1941 to March, 1947. Washington, D.C.: National Service Board for Religious Objectors, 1947.
MLA(8版)引用形式National Service Board for Religious Objectors. Directory of Civilian Public Service, May, 1941 to March, 1947. National Service Board for Religious Objectors, 1947.
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