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Dyfyniad Arddull ChicagoZENGER JOHN H. LEADING TEAMS: MASTERING THE NEW ROLE. NEW YORK: IRWIN MCGRAW-HILL, 1994.
Dyfyniad MLAZENGER JOHN H. LEADING TEAMS: MASTERING THE NEW ROLE. IRWIN MCGRAW-HILL, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.