APA (7 ম সংস্করণ) উদ্ধৃতি

Wilson, L. G., & Gregg, J. R. (1930). Progressive dictation: Arranged according to the units in the Anniversary edition of the Gregg shorthand manual. The Gregg Publishing Co..

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Wilson, Lilliam Grissom, এবং John Robert Gregg. Progressive Dictation: Arranged According to the Units in the Anniversary Edition of the Gregg Shorthand Manual. New York : Chicago [etc.]: The Gregg Publishing Co., 1930.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Wilson, Lilliam Grissom, এবং John Robert Gregg. Progressive Dictation: Arranged According to the Units in the Anniversary Edition of the Gregg Shorthand Manual. The Gregg Publishing Co., 1930.