Stanley, F. (1993). Addressing low birthweight and infant mortality.
Dyfyniad Arddull ChicagoStanley, F. Addressing Low Birthweight and Infant Mortality. 1993.
Dyfyniad MLAStanley, F. Addressing Low Birthweight and Infant Mortality. 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.