Hill, C. W. L. (2003). International business: Competing in the global makertplace. Boston: McGraw-Hill/Irwin.
Dyfyniad Arddull ChicagoHill, Charles W. L. International Business: Competing in the Global Makertplace. Boston: McGraw-Hill/Irwin, 2003.
Dyfyniad MLAHill, Charles W. L. International Business: Competing in the Global Makertplace. Boston: McGraw-Hill/Irwin, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.