Dyfyniad APA

Coulthard, G. J., & Hutchinson, S. E. (2004). Microsoft Excel 2002: Brief edition. Boston: McGraw-Hill.

Dyfyniad Arddull Chicago

Coulthard, Glen J., và Sarah E. Hutchinson. Microsoft Excel 2002: Brief Edition. Boston: McGraw-Hill, 2004.

Dyfyniad MLA

Coulthard, Glen J., và Sarah E. Hutchinson. Microsoft Excel 2002: Brief Edition. Boston: McGraw-Hill, 2004.

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