Gaya APA

Schorge, E, R, N, J, O., Blackwell, W. (2013). Obstetrics and Gynecology at a Glance . : Wiley Blackwell.

Gaya MLA

Schorge, Errol, R., Norwitz,, John, O.., Blackwell, Wiley. "Obstetrics and Gynecology at a Glance". : Wiley Blackwell, 2013. Text.