BOOT RICHARD. (1994). MANAGING THE UNKNOWN. MCGRAW-HILL.
Chicago-čujuhus (17. p.)BOOT RICHARD. MANAGING THE UNKNOWN. LONDON: MCGRAW-HILL, 1994.
MLA-čujuhus (9. p.)BOOT RICHARD. MANAGING THE UNKNOWN. MCGRAW-HILL, 1994.
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