Osipow, S. H. (1973). Theories of career development (2nd ed.). Prentice-Hall.
Chicago-viite (17. p.)Osipow, Samuel H. Theories of Career Development. 2nd ed. Englewood Cliffs, N. J: Prentice-Hall, 1973.
MLA-viite (9. p.)Osipow, Samuel H. Theories of Career Development. 2nd ed. Prentice-Hall, 1973.
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