Alan Webb. (2003). Using earned value: A project manager's guide. Hants, Eng: Gower.
シカゴスタイル引用形Alan Webb. Using Earned Value: A Project Manager's Guide. Hants, Eng: Gower, 2003.
MLA引用形式Alan Webb. Using Earned Value: A Project Manager's Guide. Hants, Eng: Gower, 2003.
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