Não informado. (1964). Conference board record. National Industrial Conference Board.
Chicago-referens (17:e uppl.)Não informado. Conference Board Record. New York: National Industrial Conference Board, 1964.
MLA-referens (8:e uppl.)Não informado. Conference Board Record. National Industrial Conference Board, 1964.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.