Organisation for Economic Co-operation and Development & ProQuest (Firm). (2009). Pensions at a glance 2009: Retirement-income systems in OECD countries. OECD.
Chicago-Zitierstil (17. Ausg.)Organisation for Economic Co-operation and Development und ProQuest (Firm). Pensions at a Glance 2009: Retirement-income Systems in OECD Countries. Paris: OECD, 2009.
MLA-Zitierstil (9. Ausg.)Organisation for Economic Co-operation and Development und ProQuest (Firm). Pensions at a Glance 2009: Retirement-income Systems in OECD Countries. OECD, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.