Gaya APA

Swartz, M, H. (2007). The Ultimate Guide and Review for Usmle Step 2 Clinical Skills Exam . Philadelphia: Saunders-Elsevier.

Gaya MLA

Swartz, Mark, H. "The Ultimate Guide and Review for Usmle Step 2 Clinical Skills Exam". Philadelphia: Saunders-Elsevier, 2007. Text.