อ้างอิง ของ ปัจจุบัน

  1. ↑ Hegeler, E. C., & Carus, P. (1890). The Monist. La Salle, Ill. [etc.]: Published by Open Court for the Hegeler Institute. page 443.
  2. ↑ Sattig, T. (2006). The language and reality of time. Oxford: Clarendon Press. Page 37.
  3. ↑ James, W. (1893). The principles of psychology. New York: H. Holt and Company. Page 609.
  4. ↑ Hodder, A. (1901). The adversaries of the sceptic; or, The specious present, a new inquiry into human knowledge. Chapter II, The Specious Present. London: S. Sonnenschein &. Pages 36 - 56.