APA引文

(1987). International science and technology data update 1987. Washington: National Science Fuondation.

Trích dẫn kiểu Chicago

International Science and Technology Data Update 1987. Washington: National Science Fuondation, 1987.

MLA引文

International Science and Technology Data Update 1987. Washington: National Science Fuondation, 1987.

警告：这些引文格式不一定是100％准确.