APA引文

OMS. (1993). Guidelines for cholera control. Geneva: OMS.

Trích dẫn kiểu Chicago

OMS. Guidelines for Cholera Control. Geneva: OMS, 1993.

MLA引文

OMS. Guidelines for Cholera Control. Geneva: OMS, 1993.

警告：這些引文格式不一定是100％准確.