Brunner, G., Gottret, P., Hansl, B., Kalavakonda, V., Nagpal, S., & Tapay, N. (2013). Private Voluntary Health Insurance: Consumer Protection and Prudential Regulation. Washington, DC: World Bank.

Brunner, Greg, Pablo Gottret, Birgit Hansl, Vijayasekar Kalavakonda, Somil Nagpal, and Nicole Tapay. Private Voluntary Health Insurance: Consumer Protection and Prudential Regulation. Washington, DC: World Bank, 2013.

Brunner, Greg, et al. Private Voluntary Health Insurance: Consumer Protection and Prudential Regulation. Washington, DC: World Bank, 2013.