APA-viite (7. p.)
Ober, S., Johnson, J. E., & Zimmerly, A. (2005). College Keyboarding & Document Processing: Lessons 1-120 (9th ed.). McGraw-Hill / Irwin.
Chicago-viite (17. p.)
Ober, Scot, Jack E. Johnson, ja Arlene Zimmerly. College Keyboarding & Document Processing: Lessons 1-120. 9th ed. New York: McGraw-Hill / Irwin, 2005.
MLA-viite (9. p.)
Ober, Scot, et al. College Keyboarding & Document Processing: Lessons 1-120. 9th ed. McGraw-Hill / Irwin, 2005.
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