APA引文

U.S. Department of State. (2000). InfoUSA =: Information USA. USA: U.S. Department of State.

Trích dẫn kiểu Chicago

U.S. Department of State. InfoUSA =: Information USA. USA: U.S. Department of State, 2000.

MLA引文

U.S. Department of State. InfoUSA =: Information USA. USA: U.S. Department of State, 2000.

警告：这些引文格式不一定是100％准确.