Musick, W. L. (1899). The universal dictation course of Gregg's shorthand: Made up of business letters from twenty-six different businesses, together with legal papers, depositions, and testimony from civil and criminal cases. W.L. Musick.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিMusick, William Leslie. The Universal Dictation Course of Gregg's Shorthand: Made Up of Business Letters from Twenty-six Different Businesses, Together with Legal Papers, Depositions, and Testimony from Civil and Criminal Cases. St. Louis: W.L. Musick, 1899.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিMusick, William Leslie. The Universal Dictation Course of Gregg's Shorthand: Made Up of Business Letters from Twenty-six Different Businesses, Together with Legal Papers, Depositions, and Testimony from Civil and Criminal Cases. W.L. Musick, 1899.