COOPER, Donald R. - SCHINDLER, Pamela S. Business research methods. 10th ed. New York : McGraw-Hill/Irwin, 2008. 746 s. The McGraw-Hill/Irwin series in Operations and decision sciences. ISBN 978-007-126333-7. [Počet ex. : 1, z toho voľných 1, prezenčne 0]