Não informado. (2003). Quarterly Review of Obstetrics and Gynecology. Washington Institute of Medicine.
Chicago-referens (17:e uppl.)Não informado. Quarterly Review of Obstetrics and Gynecology. Washington: Washington Institute of Medicine, 2003.
MLA-referens (8:e uppl.)Não informado. Quarterly Review of Obstetrics and Gynecology. Washington Institute of Medicine, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.