Haslam, J. F. C., & Cowell, S. J. (1930). Recent advances in preventive medicine. J. & A. Churchill.
Dyfyniad Arddull ChicagoHaslam, John Fearby Campbell, and Stuart Jasper Cowell. Recent Advances in Preventive Medicine. London: J. & A. Churchill, 1930.
Dyfyniad MLAHaslam, John Fearby Campbell, and Stuart Jasper Cowell. Recent Advances in Preventive Medicine. J. & A. Churchill, 1930.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.