Gaya APA

Roberts, C., Broomfield;, D. (2011). Avoiding Common Obstetrics and Gynecology Errors . Philadelphia: Lippincott Williams & Wilkins.

Gaya MLA

Roberts, C.P.., Broomfield;, D.P.. "Avoiding Common Obstetrics and Gynecology Errors". Philadelphia: Lippincott Williams & Wilkins, 2011. Teks (Text).