APA-Zitierstil (7. Ausg.)
Payne, J. (2021). Managing Indirect Spend - Enhancing Profitabilitythrough Strategic Sourcing, 2nd Edition (2nd Edition). Wiley.
Chicago-Zitierstil (17. Ausg.)
Payne, Joe. Managing Indirect Spend - Enhancing Profitabilitythrough Strategic Sourcing, 2nd Edition (2nd Edition). Wiley, 2021.
MLA-Zitierstil (9. Ausg.)
Payne, Joe. Managing Indirect Spend - Enhancing Profitabilitythrough Strategic Sourcing, 2nd Edition (2nd Edition). Wiley, 2021.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.