Não informado. (1976). Labour and society. International Institute for Labour Studies.
Style de citation Chicago (17e éd.)Não informado. Labour and Society. Geneva, Suíça: International Institute for Labour Studies, 1976.
Style de citation MLA (8e éd.)Não informado. Labour and Society. International Institute for Labour Studies, 1976.
Attention : ces citations peuvent ne pas être correctes à 100%.