อ้างอิง ของ คุณมีวัวสองตัว

  1. George A. Henninger, "In Defense of Dictionaries and Definitions", The Modern Language Journal, January 1944, vol. 28, pp.29-39
  2. "500 Years of New Words", by Bill Sherk, Doubleday, 1983, ISBN 0-385-17902-2, p. 162.
  3. Managing In The Global Economy, by Richard M. Steers, Luciara Nardon (2005) ISBN 0-7656-1551-7