Brown, D., & Brooks, L. (Eds.). (rev. 1990). Career choice and development . San Francisco: Jossey-Bass.
2.
Herr, E.L., & Cramer, S.H. (1988). Career guidance and counseling through the life span. Boston: Scott, Foresman.
3.
Holland, J.L. (1985). Making vocational choices. Englewood Cliffs, NJ: Prentice-Hall.
4.
Super, D.E. (1990). A life-span, life-space, approach to career development . In D. Brown & L. Brooks (Eds.), Career choice and development . San Francisco: Jossey-Bass.