National Association for Gifted Children (U.S.) & Sternberg, R. J. (2004). Definitions and conceptions of giftedness. Corwin Press.

National Association for Gifted Children (U.S.) and Robert J. Sternberg. Definitions and Conceptions of Giftedness. Thousand Oaks, Calif.: Corwin Press, 2004.

National Association for Gifted Children (U.S.) and Robert J. Sternberg. Definitions and Conceptions of Giftedness. Corwin Press, 2004.