National Service Board for Religious Objectors. (1947). Directory of Civilian Public Service, May, 1941 to March, 1947. National Service Board for Religious Objectors.
Chicago-referens (17:e uppl.)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-referens (8:e uppl.)National Service Board for Religious Objectors. Directory of Civilian Public Service, May, 1941 to March, 1947. National Service Board for Religious Objectors, 1947.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.