Dyfyniad APA

O Leary, T. J. (2002). Computing essentials 2002-2003Timothy J. O Leary. McGraw-Hill.

Dyfyniad Arddull Chicago

O Leary, Timothy J. Computing Essentials 2002-2003Timothy J. O Leary. McGraw-Hill, 2002.

Dyfyniad MLA

O Leary, Timothy J. Computing Essentials 2002-2003Timothy J. O Leary. McGraw-Hill, 2002.

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