European Union. Volume 2016/12. June 2016. Paris : OECD, 2016. 81 s. OECD economic surveys. Dostupné na : <http://www.oecd-ilibrary.org/economics/oecd-economic-surveys-european-union-2016_eco_surveys-eur-2016-en> ISBN 978-92-64-25621-7. ISSN 2072-5078.