OECD Economic Surveys: Euro Area 2018 : June 2018. Volume 2018/15. Paris : OECD, 2018. 91 s. OECD Economic Surveys. Available on Internet: <https://www.oecd-ilibrary.org/economics/oecd-economic-surveys-euro-area-2018_eco_surveys-euz-2018-en> ISBN 978-92-64-30208-2.