Epstein Chris Clarke. (2002). 78Important Questions Every Leader Should Ask And Answer. AMACOM,American Management Association.
Chicago-čujuhus (17. p.)Epstein Chris Clarke. 78Important Questions Every Leader Should Ask And Answer. USA: AMACOM,American Management Association, 2002.
MLA-čujuhus (9. p.)Epstein Chris Clarke. 78Important Questions Every Leader Should Ask And Answer. AMACOM,American Management Association, 2002.
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