Dyfyniad APA
Ball, D. A. [. (2002). International business: The challenge of global competition (8th ed.). McGraw-Hill/Irwin.
Dyfyniad Arddull Chicago
Ball, Donald A. [et-al]. International Business: The Challenge of Global Competition. 8th ed. Boston: McGraw-Hill/Irwin, 2002.
Dyfyniad MLA
Ball, Donald A. [et-al]. International Business: The Challenge of Global Competition. 8th ed. McGraw-Hill/Irwin, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.