Titus, p. Atlas kebidanan (Atlas of obstetric technic). ((s.N)).
Lua i Stíl Chicago (17ú heag.)Titus, paul. Atlas Kebidanan (Atlas of Obstetric Technic). ((s.N)).
Lua MLA (9ú heag.)Titus, paul. Atlas Kebidanan (Atlas of Obstetric Technic). ((s.N)).
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.