¡Ü º¯¼ø¿ë, ¼Û¼±¿µ, ·Îº¿À±¸®¶õ ¹«¾ùÀΰ¡?, ¾î¹®Çлç, 2015. ¡Ü L. Nucci, Education in the Moral Domain, Cambridge University Press, 2001.