Dyfyniad APA

Pilgrim, A. (1998). Upgrade and repair your PC. McGraw-Hill.

Dyfyniad Arddull Chicago

Pilgrim, Aubrey. Upgrade and Repair Your PC. New York: McGraw-Hill, 1998.

Dyfyniad MLA

Pilgrim, Aubrey. Upgrade and Repair Your PC. McGraw-Hill, 1998.

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