(1963). Career development: self-concept theory: Essays in vocational development. College Entrance Examination Board.
Chicago-Zitierstil (17. Ausg.)Career Development: Self-concept Theory: Essays in Vocational Development. New York: College Entrance Examination Board, 1963.
MLA-Zitierstil (9. Ausg.)Career Development: Self-concept Theory: Essays in Vocational Development. College Entrance Examination Board, 1963.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.