Jacob Abi J. (2005). Business Process Outsourcing. MBA CORE.
Chicago-čujuhus (17. p.)Jacob Abi J. Business Process Outsourcing. : MBA CORE, 2005.
MLA-čujuhus (9. p.)Jacob Abi J. Business Process Outsourcing. MBA CORE, 2005.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.