Poswillo, D. E., & Alberman, E. D. (1992). Effects of smoking on the fetus, neonate, and child. Oxford University Press.
Dyfyniad Arddull ChicagoPoswillo, David E., and Eva Dorothea Alberman. Effects of Smoking on the Fetus, Neonate, and Child. Oxford: Oxford University Press, 1992.
Dyfyniad MLAPoswillo, David E., and Eva Dorothea Alberman. Effects of Smoking on the Fetus, Neonate, and Child. Oxford University Press, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.