Organisation for Economic Co-operation and Development & ProQuest (Firm). (2005). Canada, Finland, Sweden and the United Kingdom. OECD.
Citazione stile Chigago Style (17a edizione)Organisation for Economic Co-operation and Development e ProQuest (Firm). Canada, Finland, Sweden and the United Kingdom. Paris: OECD, 2005.
Citatione MLA (9a ed.)Organisation for Economic Co-operation and Development e ProQuest (Firm). Canada, Finland, Sweden and the United Kingdom. OECD, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.