APA (7e ed.) Bronvermelding
ProQuest (Firm). (2011). Pensions at a glance 2011: Retirement-income systems in OECD and G20 countries. OECD.
Chicago (17e ed.) Bronvermelding
ProQuest (Firm). Pensions at a Glance 2011: Retirement-income Systems in OECD and G20 Countries. Paris: OECD, 2011.
MLA (9e ed.) Bronvermelding
ProQuest (Firm). Pensions at a Glance 2011: Retirement-income Systems in OECD and G20 Countries. OECD, 2011.
Let op: Deze citaties zijn niet altijd 100% accuraat.