International Labour Office. (1972). The contribution of the ILO to workers education. International Labour Office.
Chicago Edition CitationInternational Labour Office. The Contribution of the ILO to Workers Education. Geneva: International Labour Office, 1972.
Cita MLAInternational Labour Office. The Contribution of the ILO to Workers Education. International Labour Office, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.