Brownson, R. C. (2011). Evidence-based public health (2nd ed.). Oxford University Press.
Dyfyniad Arddull ChicagoBrownson, Ross C. Evidence-based Public Health. 2nd ed. Oxford ; New York: Oxford University Press, 2011.
Dyfyniad MLABrownson, Ross C. Evidence-based Public Health. 2nd ed. Oxford University Press, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.