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Dyfyniad Arddull ChicagoLarson, Erik W., and Clifford F. Gray. Project Management: The Managerial Process. Fifth edition. New York: McGraw-Hill/Irwin, 2011.
Dyfyniad MLALarson, Erik W., and Clifford F. Gray. Project Management: The Managerial Process. Fifth edition. McGraw-Hill/Irwin, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.