Gaya APA

Sanfilippo, J, S., Smith, R, P. (2007). Primary Care in Obstetrics and Gynecology : a Handbook for Clinicians Second Edition . New York: Springer.

Gaya MLA

Sanfilippo, Joseph, S.., Smith, Roger, P.. "Primary Care in Obstetrics and Gynecology : a Handbook for Clinicians Second Edition". New York: Springer, 2007. Text.