Skills for green jobs [elektronický zdroj] = European synthesis report / Peter Szovics ... [et al.] . Thessaloniky :  CEDEFOP , 2010 . 102 s, . ISBN 978-92-896-0660-8 . ISSN 1608-7089
Kategória EPCA do 2021: AGI
https://www.cedefop.europa.eu/en/publications-and-resources/publications/3057 .