Cita APA (7th ed.)

Philips, J. (2018). PMP Project Management Professional: Study Guide (fifth.). Mc Graw Hill.

Cita Chicago (17th ed.)

Philips, John. PMP Project Management Professional: Study Guide. fifth. New York: Mc Graw Hill, 2018.

Cita MLA (9th ed.)

Philips, John. PMP Project Management Professional: Study Guide. fifth. Mc Graw Hill, 2018.