Gysbers, N. C., Heppner, M. J., & Johnston, J. A. (1998). Career counseling: Process, issues and techniques. Allyn and Bacon.
Chicago-viite (17. p.)Gysbers, Norman C., Mary J. Heppner, ja Joseph A. Johnston. Career Counseling: Process, Issues and Techniques. Boston: Allyn and Bacon, 1998.
MLA-viite (9. p.)Gysbers, Norman C., et al. Career Counseling: Process, Issues and Techniques. Allyn and Bacon, 1998.
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