Cita APA (7th ed.)

Impavido, G., Thorburn, C., & Wadsworth, M. (2004). A conceptual framework for retirement products: Risk sharing arrangements between providers and retirees. World Bank.

Cita Chicago (17th ed.)

Impavido, Gregorio, Craig Thorburn, i Mike Wadsworth. A Conceptual Framework for Retirement Products: Risk Sharing Arrangements Between Providers and Retirees. Washington, D.C: World Bank, 2004.

Cita MLA (9th ed.)

Impavido, Gregorio, et al. A Conceptual Framework for Retirement Products: Risk Sharing Arrangements Between Providers and Retirees. World Bank, 2004.