Adams, G., Awosika, L., Bowie, R., Cáceres, M., Colombo, F., Preker, A. S. 1., . . . Bassett, M. C. (2007). Private voluntary health insurance in development: Friend or foe? Washington, D.C.: The World Bank.

Adams, Gayle, Ladi Awosika, Roger Bowie, Mónica Cáceres, Francesca Colombo, Alexander S. 1951- Preker, Richard M. Scheffler, and Mark C. Bassett. Private Voluntary Health Insurance in Development: Friend or Foe? Washington, D.C.: The World Bank, 2007.

Adams, Gayle, et al. Private Voluntary Health Insurance in Development: Friend or Foe? Washington, D.C.: The World Bank, 2007.