Organisation for Economic Co-operation and Development & ProQuest (Firm). (2009). OECD regions at a glance 2009. OECD.
Citazione stile Chigago Style (17a edizione)Organisation for Economic Co-operation and Development e ProQuest (Firm). OECD Regions at a Glance 2009. Paris: OECD, 2009.
Citatione MLA (9a ed.)Organisation for Economic Co-operation and Development e ProQuest (Firm). OECD Regions at a Glance 2009. OECD, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.