BloomB.S. (Ed.). (1956). Taxonomy of educational objectives. Handbook I: cognitive domain. New York: David McKay.
2.
CrutchfieldR.S. (1966). Creative thinking in children: Its teaching and testing. In BrimmO.G. (Ed.) Intelligence perspectives, 1965. New York: Harcourt, Brace and World.
3.
FeldhusenJ.F.TreffingerD.J. (1980). Creative thinking and problem solving in gifted education. Dubuque, IA: Kendall-Hunt.
4.
GuilfordJ.P. (1967). The nature of human intelligence. New York: McGraw-Hill.
5.
KrathwohlD.R. (1964). Taxonomy of educational objectives. Handbook II: Affective domain. New York: David McKay.
6.
MaslowA.H. (1962). Toward a psychology of being. New York: Van Nostrand.
7.
ParnesS.J. (1967). Creative behavior guidebook. New York: Charles Scribner's Sons.
8.
RenzulliJ.S. (1976). New directions in creativity. New York: Harper and Row.
9.
RenzulliJ.S. (1977). The enrichment triad model: A guide for developing defensible programs for the gifted and talented. Mansfield Center, CT: Creative Learning Press.
10.
RenzulliJ.S. (1982). What makes a problem real: Stalking the elusive meaning of qualification differences in gifted education. Gifted Child Quarterly, 26, 147–156.
11.
RenzulliJ.S.ReisS.M. (1985). A guidebook for developing comprehensive programs for the gifted and talented: An action form approach. Mansfield Center, CT: Creative Learning Press.
12.
RogersC.R. (1969). Freedom to learn. Columbus, OH: Charles E. Merrill.