BLOUET, Brian, W. The EU and Neighbors: A Geography of Europe in the Modern World. 2nd ed., New York: Wiley, 2012. 576 s.
ISBN 978-0470943403 .
ŠOTKOVSKÝ, Ivan. The Change of the Population Size and the Ageing Process of the EU Countries after 1990. In Honová, I., L. Melecký and M. Staníčková (ed.). Proceedings of the 1st International Conference on European Integration 2012. Ostrava: VŠB-Technical University of Ostrava, 2012, pp. 315 – 322.
ISBN 978-80-248-2685-1.
ANDĚL, J., MAREŠ, R. Evropa – Encyklopedický přehled zemí. Olomouc: Nakladatelství Olomouc, 2011.
ISBN: 80-7182-115-2 .