Cita APA (7th ed.)

ProQuest (Firm). (2009). OECD economic surveys: European Union 2009. OECD.

Cita Chicago (17th ed.)

ProQuest (Firm). OECD Economic Surveys: European Union 2009. Paris: OECD, 2009.

Cita MLA (9th ed.)

ProQuest (Firm). OECD Economic Surveys: European Union 2009. OECD, 2009.