PORTER KEITH. (2006). LEADERSHIP AND MANAGEMENT FOR H R PROFESSIONALS. ELSEVIER.
Dyfyniad Arddull ChicagoPORTER KEITH. LEADERSHIP AND MANAGEMENT FOR H R PROFESSIONALS. AMSTERDAM: ELSEVIER, 2006.
Dyfyniad MLAPORTER KEITH. LEADERSHIP AND MANAGEMENT FOR H R PROFESSIONALS. ELSEVIER, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.