Dyfyniad APA
Hill, C. W. (2009). International business: Competing in the global marketplace (7th ed.). McGraw-Hill/Irwin.
Dyfyniad Arddull Chicago
Hill, Charles W.L. International Business: Competing in the Global Marketplace. 7th ed. Boston: McGraw-Hill/Irwin, 2009.
Dyfyniad MLA
Hill, Charles W.L. International Business: Competing in the Global Marketplace. 7th ed. McGraw-Hill/Irwin, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.