SCHMETTERER, Bob. Leap : a revolution in creative business strategy. Hoboken : John Wiley & Sons, Inc., 2003. xii, 241 s. An Adweek Book. ISBN 0-471-22917-2. [Počet ex. : 3, z toho voľných 2, prezenčne 1]
SCHMETTERER, Bob. Leap : a revolution in creative business strategy. Hoboken : John Wiley & Sons, Inc., 2002. 273 s. An Adweek Book. [Počet ex. : 1, z toho voľných 0, prezenčne 1]
