OECD Territorial Reviews: The Megaregion of Western Scandinavia. Paris : OECD, 2018. 174 s. OECD Territorial Reviews. Available on Internet: <https://www.oecd-ilibrary.org/urban-rural-and-regional-development/oecd-territorial-reviews-the-megaregion-of-western-scandinavia_9789264290679-en> ISBN 978-92-64-29066-2.