Impavido, G., Thorburn, C., & Wadsworth, M. (2004). A conceptual framework for retirement products: Risk sharing arrangements between providers and retirees. World Bank.
Chicago-referens (17:e uppl.)Impavido, Gregorio, Craig Thorburn, och Mike Wadsworth. A Conceptual Framework for Retirement Products: Risk Sharing Arrangements Between Providers and Retirees. Washington, D.C: World Bank, 2004.
MLA-referens (9:e uppl.)Impavido, Gregorio, et al. A Conceptual Framework for Retirement Products: Risk Sharing Arrangements Between Providers and Retirees. World Bank, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.