(2006). RETAINING YOUR BEST PEOPLE. HARVARD BUSINESS REVIEW PRESS.
Čikaški stil citiranja (17. izdanje)RETAINING YOUR BEST PEOPLE. BOSTON: HARVARD BUSINESS REVIEW PRESS, 2006.
MLA način citiranja (9. izdanje)RETAINING YOUR BEST PEOPLE. HARVARD BUSINESS REVIEW PRESS, 2006.
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