Leslie, L. A., Zoubek, C. E., & Strony, M. S. (1971). Gregg dictation (2d ed.). Gregg Division, McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Leslie, Louis A., Charles E. Zoubek, agus Madeline S. Strony. Gregg Dictation. 2d ed. New York: Gregg Division, McGraw-Hill, 1971.
Lua MLA (8ú heag.)Leslie, Louis A., et al. Gregg Dictation. 2d ed. Gregg Division, McGraw-Hill, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.