Não informado. (1975). British Journal of Obstetrics and Gynaecology. Royal College of Obstetricians and Gynaecologists.
Style de citation Chicago (17e éd.)Não informado. British Journal of Obstetrics and Gynaecology. London: Royal College of Obstetricians and Gynaecologists, 1975.
Style de citation MLA (8e éd.)Não informado. British Journal of Obstetrics and Gynaecology. Royal College of Obstetricians and Gynaecologists, 1975.
Attention : ces citations peuvent ne pas être correctes à 100%.