International Labour Office. (1979). Vocational training and retraining of railwaymen. Geneva: International Labour Office.
Stile di citazione ChicagoInternational Labour Office. Vocational Training and Retraining of Railwaymen. Geneva: International Labour Office, 1979.
Citazione MLAInternational Labour Office. Vocational Training and Retraining of Railwaymen. Geneva: International Labour Office, 1979.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.