(2002). Gregg college keyboarding & document processing. New York, N.Y: Glencoe/McGraw-Hill.
Chicago Style aipamenaGregg College Keyboarding & Document Processing. New York, N.Y: Glencoe/McGraw-Hill, 2002.
MLA aipamenaGregg College Keyboarding & Document Processing. New York, N.Y: Glencoe/McGraw-Hill, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.