Leibowitz, Z. B. (1991). Designing career development systems. San Francisco, CA: Jossey-Bass.
Čikaški stil citiranjaLeibowitz, Zandy B. Designing Career Development Systems. San Francisco, CA: Jossey-Bass, 1991.
MLA način citiranjaLeibowitz, Zandy B. Designing Career Development Systems. San Francisco, CA: Jossey-Bass, 1991.
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