APA (7th ed.) Zitazioa
Lewis, J. P. (2011). Project Planning Scheduling & Control (5th ed.). McGraw-Hill.
Chicago Style (17th ed.) Zitazioa
Lewis, James P. Project Planning Scheduling & Control. 5th ed. New York: McGraw-Hill, 2011.
MLA (9th ed.) Zitazioa
Lewis, James P. Project Planning Scheduling & Control. 5th ed. McGraw-Hill, 2011.
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