Não informado. (1976). Labour and society. International Institute for Labour Studies.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Labour and Society. Geneva, Suíça: International Institute for Labour Studies, 1976.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Labour and Society. International Institute for Labour Studies, 1976.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.