Angus, R. B., Gundersen, N. A., & Cullinane, T. P. (2003). Planning, performing, and controlling projects (3rd ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Angus, Robert B., Norman A. Gundersen, agus Thomas P. Cullinane. Planning, Performing, and Controlling Projects. 3rd ed. Upper Saddle River, NJ: Prentice Hall, 2003.
Lua MLA (8ú heag.)Angus, Robert B., et al. Planning, Performing, and Controlling Projects. 3rd ed. Prentice Hall, 2003.
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