Dyfyniad APA

Hanson, R. N., Johnson, J. E., Ober, S., & Rice, A. (2003). Gregg college keyboarding & document processing (9th ed.). Boston: McGraw-Hill.

Dyfyniad Arddull Chicago

Hanson, Robert N., Jack E. Johnson, Scot Ober, và Arlence Rice. Gregg College Keyboarding & Document Processing. 9th ed. Boston: McGraw-Hill, 2003.

Dyfyniad MLA

Hanson, Robert N., Jack E. Johnson, Scot Ober, và Arlence Rice. Gregg College Keyboarding & Document Processing. 9th ed. Boston: McGraw-Hill, 2003.

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