Gaya APA

Smith, J, S, S, R, P. (2007). Primary Care in Obstetrics and Gynecology: A Handbook for Clinicians . USA: Springer Publishing Company, Inc.

Gaya MLA

Smith, Joseph, S., Sanfilippo,, Roger, P.. "Primary Care in Obstetrics and Gynecology: A Handbook for Clinicians". USA: Springer Publishing Company, Inc, 2007. E-Book.