APA引文

Marwick, C. (2003). Drug companies defend rewards to doctors for switching treatments. BMJ Publishing Group Ltd.

Citação norma Chicago

Marwick, Charles. Drug Companies Defend Rewards to Doctors for Switching Treatments. BMJ Publishing Group Ltd, 2003.

MLA引文

Marwick, Charles. Drug Companies Defend Rewards to Doctors for Switching Treatments. BMJ Publishing Group Ltd, 2003.

警告：這些引文格式不一定是100％准確.