Gregg, J. R., & Hunter, A. M. (1930). Gregg speed studies and Graded readings in Gregg shorthand (Combination ed.). The Gregg Pub. Co..
Citación estilo ChicagoGregg, John Robert, and Alice Margaret Hunter. Gregg Speed Studies and Graded Readings in Gregg Shorthand. Combination ed. New York : Chicago [etc.]: The Gregg Pub. Co., 1930.
Cita MLAGregg, John Robert, and Alice Margaret Hunter. Gregg Speed Studies and Graded Readings in Gregg Shorthand. Combination ed. The Gregg Pub. Co., 1930.
Warning: These citations may not always be 100% accurate.