Tham khảo thêm Dũng_sĩ

  • Avramenko, Richard. Courage: The Politics of Life and Limb (University of Notre Dame Press, 2011)
  • Catholic Encyclopedia "Fortitude"
  • Summa Theologica "Second Part of the Second Part" See Questions 123-140
  • Ernest Becker, The Denial of Death (New York: The Free Press, 1973).
  • Douglas N. Walton, Courage: A philosophical investigation (Los Angeles: University of California Press, 1986).
  • Stephen Palmquist, "Angst and the Paradox of Courage" hkbu.edu.hk, Chapter XII in The Tree of Philosophy (Hong Kong: Philopsychy Press, 2000)
  • Bussey, K. (1992). Lying and truthfulness: Children’s definitions, standards, and evaluative reactions. Child Development, 63, 129-137.
  • Deci, E. L., & Ryan, R. M. (2000). The "what" and "why" of gal pursuits: Human needs and the self-determination of behavior. Psychological Inquiry, 4, 227-268.
  • Eisenberger, R. (1992). Learned industriousness. Psychological Review, 99, 248-267.
  • Evans, P. D., & White, D. G. (1981). Towards an empirical definition of courage. Behaviour Research and Therepy, 19, 419-424.
  • Peterson, C., & Seligman M. E. P. (2004). Character strengths and virtues: A handbook and classification. New York: Oxford University Press. 197-289.
  • Putnam, D. (1997). Psychological courage. Philosophy, Psychiatry, and Psychology, 4, 1-11.
  • Ryan, R. M., & Frederick, C. (1997). On energy, personality, and health: Subjective vitality as a dynamic reflection of well-being. Journal of Personality, 65, 529-565.
  • Zimmerman, Barry J. (1995). Self-regulation involves more than meta cognition: A social cognitive perspective. Educational Psychologist. tr. 30, 217–221. 
  • Ian Miller, William (2000). The Mystery of Courage. Cambridge, Massachusetts: Harvard University Press. ISBN 067400826X