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.
Παραπομπή σε μορφή Chicago (17η εκδ.)Musick, 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.
Παραπομπή σε μορφή MLA (8th εκδ.)Musick, 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.