Craddock, I. C. (1882). Primary phonography: An introduction to Isaac Pitman's system of phonetic shorthand; with a series of original exercises. The author.
Chicago-referens (17:e uppl.)Craddock, Ida C. Primary Phonography: An Introduction to Isaac Pitman's System of Phonetic Shorthand; with a Series of Original Exercises. Philadelphia: The author, 1882.
MLA-referens (8:e uppl.)Craddock, Ida C. Primary Phonography: An Introduction to Isaac Pitman's System of Phonetic Shorthand; with a Series of Original Exercises. The author, 1882.
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