Organisation for Economic Co-operation and Development & ProQuest (Firm). (2006). Competitive cities in the global economy. OECD.
Chicago-referens (17:e uppl.)Organisation for Economic Co-operation and Development och ProQuest (Firm). Competitive Cities in the Global Economy. Paris: OECD, 2006.
MLA-referens (9:e uppl.)Organisation for Economic Co-operation and Development och ProQuest (Firm). Competitive Cities in the Global Economy. OECD, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.