Dyfyniad APA

(2003). Computer-Based learning for Microsoft excel. Boston: McGraw-Hill.

Dyfyniad Arddull Chicago

Computer-Based Learning for Microsoft Excel. Boston: McGraw-Hill, 2003.

Dyfyniad MLA

Computer-Based Learning for Microsoft Excel. Boston: McGraw-Hill, 2003.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.