HamiltonS.F. (1990). Apprenticeships for adulthood: Preparing youth for the future. New York: The Free Press.
9.
HartschorneH.MayM.A.ShuttleworthF.K. (1928). Studies in the Organization of Character. New York: Macmillan.
10.
HirshE.D.Jr. (1987). Cultural literacy: What every American needs to know. Boston: Houghton Mifflin.
11.
KohlbergL. (1981). Essays on moral development, Vol. I: The philosophy of moral development. Essays on moral developmentVol. 1, p. 31.
12.
MeccaA.SmelserN.VasconcellosJ. (Eds.). (1989). The social importance of self-esteem. Berkeley, CA, Berkeley: University of California.
13.
MorganT.FranklinD.Roosevelt, a bibliography. New York: Simon & Schuster.
14.
OgdenC. (1990). Maggei. New York: Simon & Schuster.
15.
RushtonJ.P.BrainerdC.J.PriesleyM. (1983). Behavioral development and construct validity. Psychological Bulletin, 94, pp. 18–38.
16.
SamsonG.E.GraueM.E.WeinsteinT.WalbergH.J. (1984). Academic and occupational performance: A quantitative synthesis. American Educational Research Journal, pp. 311–322.
17.
SternbergR.J. (Ed.). (1988). The nature of creativity. New York: Oxford University Press.
18.
WalbergH.J. (1987). Learning over the life course. SchoolerI.C.SchaikK.W. (eds.) Cognitive functioning and social structure over the life course. (Norwood, NJ: Ablex Publishing Company).
19.
World Book. (1985). Abraham Lincoln. (Vol. 12., p. 277). Chicago: Author.
20.
ZuchnerB. (1958). Vincent Van Gogh: Art, life, and letters. New York: Rizzoler.