Dyfyniad APA

Laudon, K. C., Rosenblatt, K., & Langley, D. (2002). Microsoft Excel 2002 (Brief edition.). McGraw-Hill.

Dyfyniad Arddull Chicago

Laudon, Kenneth C., Kenneth Rosenblatt, and David Langley. Microsoft Excel 2002. Brief edition. Boston: McGraw-Hill, 2002.

Dyfyniad MLA

Laudon, Kenneth C., et al. Microsoft Excel 2002. Brief edition. McGraw-Hill, 2002.

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