Tham khảo OK

  1. ↑ American Heritage Dictionary (good summary of the results of Read's six articles)
  2. ↑ Read, Allen W. (1963) The first stage in the history of "O.K.". American Speech, 38 (1), 5–27.
  3. ↑ Read, Allen W. (1963). The second stage in the history of "O.K.". American Speech, 38 (2), 83–102.
  4. ↑ Read, Allen W. (1963). Could Andrew Jackson spell?. American Speech, 38 (3), 188–195.
  5. ↑ Read, Allen W. (1964). The folklore of "O.K.". American Speech, 39 (1), 5–25.
  6. ↑ Read, Allen W. (1964). Later stages in the history of "O.K.". American Speech, 39 (2), 83–101.
  7. ↑ Read, Allen W. (1964). Successive revisions in the explanation of "O.K.". American Speech, 39 (4), 243–267.
  8. ↑ Fay, Dalby, Holloway
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