Heldman, K., Mangano, V., & Feddersen, B. (2018). PMP® Project Management Professional exam review guide (Fourth edition.). Sybex.
Chicago Style (17th ed.) CitationHeldman, Kim, Vanina Mangano, and Brett Feddersen. PMP® Project Management Professional Exam Review Guide. Fourth edition. Indianapolis, Indiana: Sybex, 2018.
MLA (8th ed.) CitationHeldman, Kim, et al. PMP® Project Management Professional Exam Review Guide. Fourth edition. Sybex, 2018.
Warning: These citations may not always be 100% accurate.