Lehmann, D. R. A., & Winer, R. S. A. (2005). Product management (Ed.4.).
Chicago Edition CitationLehmann, Donald R; Author, i Russell S; Author Winer. Product Management. Ed.4. New Delhi, Tata McGraw-Hill Publishing Company Ltd, 2005.
Cita MLALehmann, Donald R; Author, i Russell S; Author Winer. Product Management. Ed.4. 2005.
Atenció: Aquestes cites poden no estar 100% correctes.