Deismireacht APA

(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.

Deismireacht MLA

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

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