Preker, A. S. (2013). Scaling up affordable health insurance: Staying the course. The World Bank.
Cita Chicago (17th ed.)Preker, Alexander S. Scaling Up Affordable Health Insurance: Staying the Course. Washington, DC: The World Bank, 2013.
Cita MLA (9th ed.)Preker, Alexander S. Scaling Up Affordable Health Insurance: Staying the Course. The World Bank, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.