DRUCKER PETER F. (1980). MANAGING IN TRUBULENT TIMES. PAN BOOKS LTD.
Chicago-čujuhus (17. p.)DRUCKER PETER F. MANAGING IN TRUBULENT TIMES. GREAT BRITAIN: PAN BOOKS LTD, 1980.
MLA-čujuhus (9. p.)DRUCKER PETER F. MANAGING IN TRUBULENT TIMES. PAN BOOKS LTD, 1980.
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