APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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