European Centre for the Development of Vocational Training. (1998). Work Programme, 1998-. Office for Official Publications of the European Communities.
Chicago-referens (17:e uppl.)European Centre for the Development of Vocational Training. Work Programme, 1998-. Luxembourg: Office for Official Publications of the European Communities, 1998.
MLA-referens (9:e uppl.)European Centre for the Development of Vocational Training. Work Programme, 1998-. Office for Official Publications of the European Communities, 1998.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.