Gaya APA

MD, E, F, F. et al (2008). High Risk Obstetrics : The Requisites in Obstetrics and Ginecology . Philadelphia: Mosby Elsevier.

Gaya MLA

MD, Edmund, F., Funai,. et al. "High Risk Obstetrics : The Requisites in Obstetrics and Ginecology". Philadelphia: Mosby Elsevier, 2008. Text.