OECD Economic Surveys: Switzerland 2019 : November 2019. Volume 2019/19. Paris : OECD, 2019. 124 s. OECD Economic Surveys. Available on Internet: <https://www.oecd-ilibrary.org/economics/oecd-economic-surveys-switzerland-2019_7e6fd372-en> ISBN 978-92-64-35540-8.