Pensions at a Glance 2017 : OECD and G20 Indicators. Paris : OECD, 2017. 163 s. OECD Pensions at a Glance. Dostupné na : <https://www.oecd-ilibrary.org/social-issues-migration-health/pensions-at-a-glance-2017_pension_glance-2017-en> ISBN 978-92-64-28749-5. [Počet ex. : 1, z toho voľných 1, prezenčne 0]