APA(7版)引用形式

Não informado. (2010). British Journal of Obstetrics and Gynaecology. Blackwell Scientific Publications.

Chicagoスタイル(17版)引用形式

Não informado. British Journal of Obstetrics and Gynaecology. Oxford, Inglaterra: Blackwell Scientific Publications, 2010.

MLA(8版)引用形式

Não informado. British Journal of Obstetrics and Gynaecology. Blackwell Scientific Publications, 2010.

警告: この引用は必ずしも正確ではありません.