9Gerald R. Adams,Judy A. Shea.The relationship between identity status, locus of control, and ego development[J]Journal of Youth and Adolescence,1979(1).
9[1]Schlegel A. The global spread of adolescent culture[ A]. In: L. J. Crockett & R k. Silbereisen(Eds. ), Negotiating adolescence in times of social change[C]. New York: Cambridge University Press, 2001.
10[2]Erikson E. H. Identity: Youth and crisis[M]. New York: Norton, 1968.