Dyfyniad APA
Organisation for Economic Co-operation and Development & ProQuest (Firm). (2009). Pensions at a glance 2009: Retirement-income systems in OECD countries. OECD.
Dyfyniad Arddull Chicago
Organisation for Economic Co-operation and Development and ProQuest (Firm). Pensions at a Glance 2009: Retirement-income Systems in OECD Countries. Paris: OECD, 2009.
Dyfyniad MLA
Organisation for Economic Co-operation and Development and ProQuest (Firm). Pensions at a Glance 2009: Retirement-income Systems in OECD Countries. OECD, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.