Ghillyer, A. W. (2009). Management: A real world approach. McGraw-Hill.
Dyfyniad Arddull ChicagoGhillyer, Andrew W. Management: A Real World Approach. Boston: McGraw-Hill, 2009.
Dyfyniad MLAGhillyer, Andrew W. Management: A Real World Approach. McGraw-Hill, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.