Organisation for Economic Co-operation and Development & ProQuest (Firm). (2006). Innovation and knowledge-intensive service activities. Organisation for Economic Co-operation and Development.
Chicago-čujuhus (17. p.)Organisation for Economic Co-operation and Development juo ProQuest (Firm). Innovation and Knowledge-intensive Service Activities. Paris: Organisation for Economic Co-operation and Development, 2006.
MLA-čujuhus (9. p.)Organisation for Economic Co-operation and Development juo ProQuest (Firm). Innovation and Knowledge-intensive Service Activities. Organisation for Economic Co-operation and Development, 2006.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.