(2001). Project Management Institute practice standard for work breakdown structures. Newtown Squar, PE: Project Management Institute.
シカゴスタイル引用形Project Management Institute Practice Standard for Work Breakdown Structures. Newtown Squar, PE: Project Management Institute, 2001.
MLA引用形式Project Management Institute Practice Standard for Work Breakdown Structures. Newtown Squar, PE: Project Management Institute, 2001.
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