อ้างอิง ของ บทนิยาม

  1. ↑ Bickenbach, Jerome E., and Jacqueline M. Davies. Good reasons for better arguments: An introduction to the skills and values of critical thinking. Broadview Press, 1996. p. 49
  2. ↑ Lyons, John. "Semantics, vol. I." Cambridge: Cambridge (1977). p.158 and on.
  3. ↑ Dooly, Melinda. Semantics and Pragmatics of English: Teaching English as a Foreign Language. Univ. Autònoma de Barcelona, 2006. p.48 and on
  4. ↑ Richard J. Rossi (2011) Theorems, Corollaries, Lemmas, and Methods of Proof. John Wiley & Sons p.4