Dyfyniad APA

Ober, S. (1998). Gregg college keyboarding & document processing. New York, N.Y.: Glencoe/McGraw-Hill.

Dyfyniad Arddull Chicago

Ober, Scot. Gregg College Keyboarding & Document Processing. New York, N.Y.: Glencoe/McGraw-Hill, 1998.

Dyfyniad MLA

Ober, Scot. Gregg College Keyboarding & Document Processing. New York, N.Y.: Glencoe/McGraw-Hill, 1998.

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