Dyfyniad APA

Johnston, S. L. (2007). Asthma: An atlas of investigation and management. Oxford ; Ashland Ohio: Clinical Pub..

Dyfyniad Arddull Chicago

Johnston, Sebastian L. Asthma: An Atlas of Investigation and Management. Oxford ; Ashland Ohio: Clinical Pub., 2007.

Dyfyniad MLA

Johnston, 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.