Johnston, S. L. (2007). Asthma: An atlas of investigation and management. Oxford ; Ashland Ohio: Clinical Pub..
Dyfyniad Arddull ChicagoJohnston, Sebastian L. Asthma: An Atlas of Investigation and Management. Oxford ; Ashland Ohio: Clinical Pub., 2007.
Dyfyniad MLAJohnston, Sebastian L. Asthma: An Atlas of Investigation and Management. Oxford ; Ashland Ohio: Clinical Pub., 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
