ISCED 2011 operational manual : guidelines for classifying national education programmes and related qualifications. Paris : OECD ; Brussels : European Union ; Montreal : UNESCO - UIS, 2015. 114 s. Dostupné na : <http://www.oecd-ilibrary.org/education/isced-2011-operational-manual_9789264228368-en> ISBN 978-92-64-22835-1.