Lehmann, D. R. (2003). Product management/3ed (3rd ed.). Tata Mc-Graw-Hill.
Chicago Edition CitationLehmann, Donald. R. Product Management/3ed. 3rd ed. New Delhi: Tata Mc-Graw-Hill, 2003.
Cita MLALehmann, Donald. R. Product Management/3ed. 3rd ed. Tata Mc-Graw-Hill, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.