APA引文

Ferriman, A. (2001). Condom most popular method of contraception in girls under 16. BMJ Publishing Group Ltd.

Citação norma Chicago

Ferriman, Annabel. Condom Most Popular Method of Contraception in Girls Under 16. BMJ Publishing Group Ltd, 2001.

MLA引文

Ferriman, Annabel. Condom Most Popular Method of Contraception in Girls Under 16. BMJ Publishing Group Ltd, 2001.

警告：這些引文格式不一定是100％准確.