Almanach reklamy a médií na Slovensku 2006. Bratislava : Sanoma Magazines Slovakia, 2006. 257 s. ISBN 80-89091-06-7. [Copy count : 1, currently available 1, at library only 0]
JACOBSON, Gary - HILLKIRK, John. Xerox : American samurai. New York : Macmillan Publishing Company, 1987. 338 s. ISBN 0-02-033830-9. [Copy count : 1, currently available 1, at library only 0]
