APA
Impavido G., Wadsworth Mike, Thorburn Craig & World Bank. (2004). A conceptual framework for retirement products: Risk sharing arrangements between providers and retirees. Washigton: World Bank.
Chicago
Impavido Gregorio, Wadsworth Mike, Thorburn Craig and World Bank. 2004. A conceptual framework for retirement products: Risk sharing arrangements between providers and retirees. Washigton: World Bank.
Harvard
Impavido G., Wadsworth Mike, Thorburn Craig and World Bank. (2004). A conceptual framework for retirement products: Risk sharing arrangements between providers and retirees. Washigton: World Bank.
MLA
Impavido Gregorio, Wadsworth Mike, Thorburn Craig and World Bank. A conceptual framework for retirement products: Risk sharing arrangements between providers and retirees. Washigton: World Bank. 2004.