Organisation for Economic Co-operation and Development & ProQuest (Firm). (2011). OECD economic outlook. OECD.
Chicago Style (17th ed.) ZitazioaOrganisation for Economic Co-operation and Development eta ProQuest (Firm). OECD Economic Outlook. [Paris]: OECD, 2011.
MLA (9th ed.) ZitazioaOrganisation for Economic Co-operation and Development eta ProQuest (Firm). OECD Economic Outlook. OECD, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.