Cita APA (7th ed.)
Newell, M. W. (2002). Preparing for the project management professional (PMP) certification exam (2nd ed.). AMACOM.
Cita Chicago (17th ed.)
Newell, Michael W. Preparing for the Project Management Professional (PMP) Certification Exam. 2nd ed. New York: AMACOM, 2002.
Cita MLA (9th ed.)
Newell, Michael W. Preparing for the Project Management Professional (PMP) Certification Exam. 2nd ed. AMACOM, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.