HAYWARD STEVEN F. (2004). CHURCHILL ON LEADERSHIP. GRAMERCY PUB.
Chicago-čujuhus (17. p.)HAYWARD STEVEN F. CHURCHILL ON LEADERSHIP. NEW YORK: GRAMERCY PUB, 2004.
MLA-čujuhus (9. p.)HAYWARD STEVEN F. CHURCHILL ON LEADERSHIP. GRAMERCY PUB, 2004.
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