Organisation for Economic Co-operation and Development & ProQuest (Firm). (2006). Innovation and knowledge-intensive service activities. Organisation for Economic Co-operation and Development.
Chicago-referens (17:e uppl.)Organisation for Economic Co-operation and Development och ProQuest (Firm). Innovation and Knowledge-intensive Service Activities. Paris: Organisation for Economic Co-operation and Development, 2006.
MLA-referens (9:e uppl.)Organisation for Economic Co-operation and Development och ProQuest (Firm). Innovation and Knowledge-intensive Service Activities. Organisation for Economic Co-operation and Development, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.