Lua APA (7ú heag.)

ProQuest (Firm). (2012). OECD pensions outlook, 2012. OECD.

Lua i Stíl Chicago (17ú heag.)

ProQuest (Firm). OECD Pensions Outlook, 2012. Paris: OECD, 2012.

Lua MLA (9ú heag.)

ProQuest (Firm). OECD Pensions Outlook, 2012. OECD, 2012.

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