APA (7th ed.) Zitazioa
Obstetrics, gynaecology and reproductive medicine [Obstet Gynaecol Reprod Med] NLMUID: 101312255.
Chicago Style (17th ed.) Zitazioa
Obstetrics, Gynaecology and Reproductive Medicine [Obstet Gynaecol Reprod Med] NLMUID: 101312255.
MLA (9th ed.) Zitazioa
Obstetrics, Gynaecology and Reproductive Medicine [Obstet Gynaecol Reprod Med] NLMUID: 101312255.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.