International Labour Office. (1972). The contribution of the ILO to workers education. International Labour Office.
Stile di citazione ChicagoInternational Labour Office. The Contribution of the ILO to Workers Education. Geneva: International Labour Office, 1972.
Citazione MLAInternational Labour Office. The Contribution of the ILO to Workers Education. International Labour Office, 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.