Brown, D. W. (2005). The Black Book of Outsourcing. John wiley and sons.
Chicago-čujuhus (17. p.)Brown, Douglas; Wilson. The Black Book of Outsourcing. Hoboken: John wiley and sons, 2005.
MLA-čujuhus (9. p.)Brown, Douglas; Wilson. The Black Book of Outsourcing. John wiley and sons, 2005.
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