Project Management Institute. (2021). A guide to the project management body of knowledge (7th.). Project Management Institute.
芝加哥风格引文Project Management Institute. A Guide to the Project Management Body of Knowledge. 7th. Newtown Square, PA: Project Management Institute, 2021.
MLA引文Project Management Institute. A Guide to the Project Management Body of Knowledge. 7th. Project Management Institute, 2021.
警告：这些引文格式不一定是100％准确.