McKenna, R. (1999). New management. The McGraw-Hill Companies, Inc.
Dyfyniad Arddull ChicagoMcKenna, Richard. New Management. Sydney, A.C.T: The McGraw-Hill Companies, Inc, 1999.
Dyfyniad MLAMcKenna, Richard. New Management. The McGraw-Hill Companies, Inc, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.