APA
(2009). Major companies of Europe 2010 : Bulgaria, the Czech Republic, Estonia, Hungary,Lithuania, Poland, Romania, Slovakia, Slovenia. New York: Graham & Whiteside Ltd.
Chicago
2009. Major companies of Europe 2010 : Bulgaria, the Czech Republic, Estonia, Hungary,Lithuania, Poland, Romania, Slovakia, Slovenia. New York: Graham & Whiteside Ltd.
Harvard
(2009). Major companies of Europe 2010 : Bulgaria, the Czech Republic, Estonia, Hungary,Lithuania, Poland, Romania, Slovakia, Slovenia. New York: Graham & Whiteside Ltd.
MLA
Major companies of Europe 2010 : Bulgaria, the Czech Republic, Estonia, Hungary,Lithuania, Poland, Romania, Slovakia, Slovenia. New York: Graham & Whiteside Ltd. 2009.