Eurostat. Sustainable development in the European Union : key messages. Luxembourg : Publications Office of the European Union, 2013. 176 s. Statistical books. Dostupné na : <http://bookshop.europa.eu/en/sustainable-development-in-the-european-union-pbKS0313331/> ISBN 978-92-79-31158-1. [Počet ex. : 1, z toho voľných 0, prezenčne 1]