Não informado. (1961). Journal of Obstetrics and Gynaecology of the British Commonwealth. Royal College of Obstetricians and Gynaecologists.
Chicago-Zitierstil (17. Ausg.)Não informado. Journal of Obstetrics and Gynaecology of the British Commonwealth. London: Royal College of Obstetricians and Gynaecologists, 1961.
MLA-Zitierstil (8. Ausg.)Não informado. Journal of Obstetrics and Gynaecology of the British Commonwealth. Royal College of Obstetricians and Gynaecologists, 1961.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.