DAFT, R. L. (2009). PRINCIPLES OF MANAGEMENT. CENGAGE LEARNING.
Dyfyniad Arddull ChicagoDAFT, RICHARD L. PRINCIPLES OF MANAGEMENT. NEW DELHI: CENGAGE LEARNING, 2009.
Dyfyniad MLADAFT, RICHARD L. PRINCIPLES OF MANAGEMENT. CENGAGE LEARNING, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.