Tohutoro APA (7th ed.)
Heldman, K. (2016). PMP: Project management professional exam : study guide (Eighth edition.). Sybex, a Wiley brand.
Tohutoru Kātū Chicago (17th ed.)
Heldman, Kim. PMP: Project Management Professional Exam : Study Guide. Eighth edition. Indianapolis, Indiana: Sybex, a Wiley brand, 2016.
Tohutoro MLA (9th ed.)
Heldman, Kim. PMP: Project Management Professional Exam : Study Guide. Eighth edition. Sybex, a Wiley brand, 2016.
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