Não informado. (1973). Advances in obstetrics and gynaecology. Karger.
Lua i Stíl Chicago (17ú heag.)Não informado. Advances in Obstetrics and Gynaecology. Basel, Suíça: Karger, 1973.
Lua MLA (8ú heag.)Não informado. Advances in Obstetrics and Gynaecology. Karger, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.