International Labour Office. (1972). The contribution of the ILO to workers education. International Labour Office.
Chicago Style citaatInternational Labour Office. The Contribution of the ILO to Workers Education. Geneva: International Labour Office, 1972.
MLA citatieInternational Labour Office. The Contribution of the ILO to Workers Education. International Labour Office, 1972.
Let op: Deze citaties zijn niet altijd 100% accuraat.