Cita APA (7th ed.)

Organisation for Economic Co-operation and Development & ProQuest (Firm). (2006). Competitive cities in the global economy. OECD.

Cita Chicago (17th ed.)

Organisation for Economic Co-operation and Development i ProQuest (Firm). Competitive Cities in the Global Economy. Paris: OECD, 2006.

Cita MLA (9th ed.)

Organisation for Economic Co-operation and Development i ProQuest (Firm). Competitive Cities in the Global Economy. OECD, 2006.