Heldman, K., & Mangano, V. (2011). PMP: Project management professional exam : review guide (2nd ed.). Wiley Technology Pub..
芝加哥风格引文Heldman, Kim, 与 Vanina Mangano. PMP: Project Management Professional Exam : Review Guide. 2nd ed. Indianapolis: Wiley Technology Pub., 2011.
MLA引文Heldman, Kim, 与 Vanina Mangano. PMP: Project Management Professional Exam : Review Guide. 2nd ed. Wiley Technology Pub., 2011.
警告：这些引文格式不一定是100％准确.