Cita APA (7a ed.)

Ober, S., Johnson, J. E., & Zimmerly, A. (2006). Gregg college keyboarding & document processing (10th ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Ober, Scot, Jack E. Johnson, y Arlene Zimmerly. Gregg College Keyboarding & Document Processing. 10th ed. New York: McGraw-Hill, 2006.

Cita MLA (9a ed.)

Ober, Scot, et al. Gregg College Keyboarding & Document Processing. 10th ed. McGraw-Hill, 2006.