Tohutoro APA (7th ed.)
Heldman, K., & Mangano, V. (2011). PMP: Project management professional exam : review guide (2nd ed.). Wiley Technology Pub..
Tohutoru Kātū Chicago (17th ed.)
Heldman, Kim, me Vanina Mangano. PMP: Project Management Professional Exam : Review Guide. 2nd ed. Indianapolis: Wiley Technology Pub., 2011.
Tohutoro MLA (9th ed.)
Heldman, Kim, me Vanina Mangano. PMP: Project Management Professional Exam : Review Guide. 2nd ed. Wiley Technology Pub., 2011.
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