Dyfyniad APA

Jack P. Hoggatt, & Jack P. Hoggatt; Jon A. Shank. (2006). Century 21 Computer Keyboarding: Essentials, Lessons 1 - 75. Cincinnati, Ohio: South-Western Educational Pub.

Dyfyniad Arddull Chicago

Jack P. Hoggatt, và Jack P. Hoggatt; Jon A. Shank. Century 21 Computer Keyboarding: Essentials, Lessons 1 - 75. Cincinnati, Ohio: South-Western Educational Pub, 2006.

Dyfyniad MLA

Jack P. Hoggatt, và Jack P. Hoggatt; Jon A. Shank. Century 21 Computer Keyboarding: Essentials, Lessons 1 - 75. Cincinnati, Ohio: South-Western Educational Pub, 2006.

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