OECD Regional Outlook 2019 : Leveraging Megatrends for Cities and Rural Areas. Paris : OECD, 2019. 239 s. Available on Internet: <https://www.oecd-ilibrary.org/urban-rural-and-regional-development/oecd-regional-outlook-2019_9789264312838-en> ISBN 978-92-64-31281-4.