Não informado. (1964). Conference board record. National Industrial Conference Board.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Conference Board Record. New York: National Industrial Conference Board, 1964.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Conference Board Record. National Industrial Conference Board, 1964.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.