KURNIT, Paul - LANCE, Steve. The little blue book of marketing : build a killer plan in less than a day. New York : Portfolio, 2010. ix, 273 s. ISBN 978-1-59184-305-4. [Copy count : 1, currently available 0, at library only 1]

Blue book : payment systems in countries that have applied for membership of the European Union. Frankfurt am Main : European Central Bank, 1999. 468 s. ISBN 92-9181-034-7. [Copy count : 2, currently available 2, at library only 0]