Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.