Παραπομπή σε μορφή APA (7η εκδ.)

National Service Board for Religious Objectors. (1947). Directory of Civilian Public Service, May, 1941 to March, 1947. National Service Board for Religious Objectors.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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.

Παραπομπή σε μορφή MLA (8th εκδ.)

National Service Board for Religious Objectors. Directory of Civilian Public Service, May, 1941 to March, 1947. National Service Board for Religious Objectors, 1947.