Cita APA (7a ed.)
Ober, S., Johnson, J. E., & Zimmerly, A. (2005). College Keyboarding & Document Processing: Lessons 1-120 (9th ed.). McGraw-Hill / Irwin.
Cita Chicago Style (17a ed.)
Ober, Scot, Jack E. Johnson, y Arlene Zimmerly. College Keyboarding & Document Processing: Lessons 1-120. 9th ed. New York: McGraw-Hill / Irwin, 2005.
Cita MLA (9a ed.)
Ober, Scot, et al. College Keyboarding & Document Processing: Lessons 1-120. 9th ed. McGraw-Hill / Irwin, 2005.
Precaución: Estas citas no son 100% exactas.