Cita APA (7th ed.)

Heldman, K. (2016). PMP: Project management professional exam : study guide (Eighth edition.). Sybex, a Wiley brand.

Cita Chicago (17th ed.)

Heldman, Kim. PMP: Project Management Professional Exam : Study Guide. Eighth edition. Indianapolis, Indiana: Sybex, a Wiley brand, 2016.

Cita MLA (9th ed.)

Heldman, Kim. PMP: Project Management Professional Exam : Study Guide. Eighth edition. Sybex, a Wiley brand, 2016.