ProQuest (Firm). (2012). OECD pensions outlook, 2012. OECD.
Cita Chicago (17th ed.)ProQuest (Firm). OECD Pensions Outlook, 2012. Paris: OECD, 2012.
Cita MLA (9th ed.)ProQuest (Firm). OECD Pensions Outlook, 2012. OECD, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.