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