Gray, C. F., & Larson, E. W. (1999). Project management: The managerial process. Boston: Irwin/McGraw-Hill.
Παραπομπή Chicago StyleGray, Clifford F., and Erik W. Larson. Project Management: The Managerial Process. Boston: Irwin/McGraw-Hill, 1999.
Παραπομπή MLAGray, Clifford F., and Erik W. Larson. Project Management: The Managerial Process. Boston: Irwin/McGraw-Hill, 1999.
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