Não informado. (1973). Advances in obstetrics and gynaecology. Karger.
Style de citation Chicago (17e éd.)Não informado. Advances in Obstetrics and Gynaecology. Basel, Suíça: Karger, 1973.
Style de citation MLA (8e éd.)Não informado. Advances in Obstetrics and Gynaecology. Karger, 1973.
Attention : ces citations peuvent ne pas être correctes à 100%.