BERGMANN H. (1999). EVERYONE A LEADER. JOHN WILEY AND SONS.
Chicago-čujuhus (17. p.)BERGMANN H. EVERYONE A LEADER. NEW YORK: JOHN WILEY AND SONS, 1999.
MLA-čujuhus (9. p.)BERGMANN H. EVERYONE A LEADER. JOHN WILEY AND SONS, 1999.
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