Gregg, J. R. (1955). Gregg: Shorthand manual simplified (2a. ed.). México: McGrawHill.
Chicago Style CitationGregg, John Robert. Gregg: Shorthand Manual Simplified. 2a. ed. México: McGrawHill, 1955.
MLA CitationGregg, John Robert. Gregg: Shorthand Manual Simplified. 2a. ed. México: McGrawHill, 1955.
Warning: These citations may not always be 100% accurate.