OECD Economic Surveys: Poland 2018 : March 2018. Volume 2018/8. Paris : OECD, 2018. 138 s. OECD Economic Surveys. Dostupné na : <https://www.oecd-ilibrary.org/economics/oecd-economic-surveys-poland-2018_eco_surveys-pol-2018-en> ISBN 978-92-64-29231-4. ISSN 1995-3542. [Počet ex. : 1, z toho voľných 0, prezenčne 1]