SCHULTZ, Don E. - ROBINSON, William A. - PETRISON, Lisa A. Sales promotion essentials : the 10 basic sales promotion techniques... and how to use them. 2. ed. Lincolnwood : NTC Business Books, 1994. 197 s. ISBN 0-8442-3366-8. [Počet ex. : 3, z toho voľných 3, prezenčne 0]