OECD regions at a glance 2016. Paris : OECD, 2016. 180 s. OECD regions at a glance. Dostupné na : <http://www.oecd-ilibrary.org/governance/oecd-regions-at-a-glance-2016_reg_glance-2016-en> ISBN 978-92-64-25209-7.