APA引文

Lenzer, J. (2004). New Cochrane policy tightens limits on industry funding. BMJ Group.

Citação norma Chicago

Lenzer, Jeanne. New Cochrane Policy Tightens Limits On Industry Funding. BMJ Group, 2004.

MLA引文

Lenzer, Jeanne. New Cochrane Policy Tightens Limits On Industry Funding. BMJ Group, 2004.

警告：這些引文格式不一定是100％准確.