Dyfyniad APA

Clayton, D., & Hills, M. (1993). Statistical models in epidemiology. Oxford University Press.

Dyfyniad Arddull Chicago

Clayton, David, and Michael Hills. Statistical Models in Epidemiology. Oxford ; New York: Oxford University Press, 1993.

Dyfyniad MLA

Clayton, David, and Michael Hills. Statistical Models in Epidemiology. Oxford University Press, 1993.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.