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