Newell, M. W. (2005). Preparing for the project management professional (PMP) certification exam (3rd ed.). American Management Association.
Chicago-Zitierstil (17. Ausg.)Newell, Michael W. Preparing for the Project Management Professional (PMP) Certification Exam. 3rd ed. New York: American Management Association, 2005.
MLA-Zitierstil (9. Ausg.)Newell, Michael W. Preparing for the Project Management Professional (PMP) Certification Exam. 3rd ed. American Management Association, 2005.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.