Cita APA (7th ed.)
Organisation for Economic Co-operation and Development & ProQuest (Firm). (2011). Basque Country, Spain 2011. OECD Pub..
Cita Chicago (17th ed.)
Organisation for Economic Co-operation and Development i ProQuest (Firm). Basque Country, Spain 2011. [Paris]: OECD Pub., 2011.
Cita MLA (9th ed.)
Organisation for Economic Co-operation and Development i ProQuest (Firm). Basque Country, Spain 2011. OECD Pub., 2011.
Atenció: Aquestes cites poden no estar 100% correctes.