Musick, W. L. (1897). The universal dictation course of Graham phonography: Made up of business letters from twenty-six different businesses, together with legal papers, depositions, and testimony from civil and criminal cases. Universal Text Book Co..
Chicago (17e ed.) BronvermeldingMusick, William Leslie. The Universal Dictation Course of Graham Phonography: Made Up of Business Letters from Twenty-six Different Businesses, Together with Legal Papers, Depositions, and Testimony from Civil and Criminal Cases. Chicago, Ill.: Universal Text Book Co., 1897.
MLA (8e ed.) BronvermeldingMusick, William Leslie. The Universal Dictation Course of Graham Phonography: Made Up of Business Letters from Twenty-six Different Businesses, Together with Legal Papers, Depositions, and Testimony from Civil and Criminal Cases. Universal Text Book Co., 1897.