Lehmann, D. R. (2002). Product management (3rd ed.). TMH.
Chicago Style (17th ed.) CitationLehmann, Donald R. Product Management. 3rd ed. New Delhi: TMH, 2002.
MLA citiranjeLehmann, Donald R. Product Management. 3rd ed. TMH, 2002.
Opozorilo: Ti citati niso vedno 100% točni.