APA ציטוט

(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.

ציטוט MLA

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