Gaya APA

MD, D, S, P. (2007). Internal Medicine Clerkship Guide, 3e (Clerkship Guides) (edisi 3). Amerika: Elsevier.

Gaya MLA

MD, Douglas, S., Paauw. "Internal Medicine Clerkship Guide, 3e (Clerkship Guides)". edisi 3 Amerika: Elsevier, 2007. Text.