Gray, C. F. (2006). Project management: The managerial process. McGraw-Hill.
Trích dẫn kiểu ChicagoGray, Clifford F. Project Management: The Managerial Process. McGraw-Hill, 2006.
Deismireacht MLAGray, Clifford F. Project Management: The Managerial Process. McGraw-Hill, 2006.
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