Skill supply and demand in Europe: medium-term forecast up to 2020 (2010), available at: http://www.cedefop.europa.eu/en/Files/3052_en.pdf
„Skill supply and demand in Europe: medium-term forecast up to 2020 (2010)”; kättesaadav järgmisel veebisaidil: http://www.cedefop.europa.eu/en/Files/3052_en.pdf