Não informado. (2001). National health insurance. Medical Research Committe.
Cita Chicago Style (17a ed.)Não informado. National Health Insurance. London: Medical Research Committe, 2001.
Cita MLA (8a ed.)Não informado. National Health Insurance. Medical Research Committe, 2001.
Precaución: Estas citas no son 100% exactas.