Phillips, J. (2013). PMP Project Management Professional Study Guide (4th ed.). New York [etc.]: Mc-Graw Hill.
Citación estilo ChicagoPhillips, Joseph. PMP Project Management Professional Study Guide. 4th ed. New York [etc.]: Mc-Graw Hill, 2013.
Cita MLAPhillips, Joseph. PMP Project Management Professional Study Guide. 4th ed. New York [etc.]: Mc-Graw Hill, 2013.
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