Lua APA (7ú heag.)
Ober, S., Johnson, J. E., Rice, A., & Hanson, R. N. (2002). College Keyboarding: Lessons 1-20. McGraw-Hill / Irwin.
Lua i Stíl Chicago (17ú heag.)
Ober, Scot, Jack E. Johnson, Arlene Rice, agus Robert N. Hanson. College Keyboarding: Lessons 1-20. New York: McGraw-Hill / Irwin, 2002.
Lua MLA (9ú heag.)
Ober, Scot, et al. College Keyboarding: Lessons 1-20. McGraw-Hill / Irwin, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.