Obstetrics, Gynaecology and Reproductive Medicine. Cambridge University Press.
Citazione stile Chigago Style (17a edizione)Obstetrics, Gynaecology and Reproductive Medicine. Cambridge University Press.
Citatione MLA (8a ed.)Obstetrics, Gynaecology and Reproductive Medicine. Cambridge University Press.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.