Turra, Cassio M., and Olivia S. Mitchell. "The Impact of Health Status and Out‐of‐Pocket Medical Expenditures on Annuity Valuation." Recalibrating Retirement Spending and Saving. : Oxford University Press, 2008-09-25. Oxford Scholarship Online. 2009-01-01. Date Accessed 26 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199549108.001.0001/acprof-9780199549108-chapter-10>.
Turra, C., & Mitchell, O.(2008-09-25). The Impact of Health Status and Out‐of‐Pocket Medical Expenditures on Annuity Valuation. In Recalibrating Retirement Spending and Saving. : Oxford University Press. Retrieved 26 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199549108.001.0001/acprof-9780199549108-chapter-10.
Turra, Cassio M., and Olivia S. Mitchell. "The Impact of Health Status and Out‐of‐Pocket Medical Expenditures on Annuity Valuation." In Recalibrating Retirement Spending and Saving. : Oxford University Press, 2008-09-25. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199549108.001.0001/acprof-9780199549108-chapter-10.
Turra CM, Mitchell OS. The Impact of Health Status and Out‐of‐Pocket Medical Expenditures on Annuity Valuation. In: Ameriks J, Mitchell OS. Recalibrating Retirement Spending and Saving. Oxford University Press; 2008. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199549108.001.0001/acprof-9780199549108-chapter-10. Accessed May 26, 2013.