Starting Strong 2017 : Key OECD Indicators on Early Childhood Education and Care. Paris : OECD, 2017. 189 s. Dostupné na : <https://www.oecd-ilibrary.org/education/starting-strong-2017_9789264276116-en> ISBN 978-92-64-27610-9. [Počet ex. : 1, z toho voľných 1, prezenčne 0]