International Labour Office. (1979). Vocational training and retraining of railwaymen. Geneva: International Labour Office.
Chicago ZitierstilInternational Labour Office. Vocational Training and Retraining of Railwaymen. Geneva: International Labour Office, 1979.
MLA ZitierstilInternational Labour Office. Vocational Training and Retraining of Railwaymen. Geneva: International Labour Office, 1979.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.