Fos, P. J. Epidemiology foundations: The science of public health.
Cita Chicago (17th ed.)Fos, Peter J. Epidemiology Foundations: The Science of Public Health.
Cita MLA (9th ed.)Fos, Peter J. Epidemiology Foundations: The Science of Public Health.
Atenció: Aquestes cites poden no estar 100% correctes.