Evropské středisko pro rozvoj odborné přípravy. EDEX : educational expansion and labour market : a comparative study of five European countries - France, Germany, Italy, Spain and the United Kingdom - with special reference to the United States. Luxembourg : Office for Official Publications of the European Communities, 2003. 191 s. Cedefop Reference Series; ISSN 1608-7089. ISBN 92-896-0201-5.