APA ציטוט

(1986). Science and engineering dotorates: 1960 - 86. Washington: National Science Foundation.

Trích dẫn kiểu Chicago

Science and Engineering Dotorates: 1960 - 86. Washington: National Science Foundation, 1986.

ציטוט MLA

Science and Engineering Dotorates: 1960 - 86. Washington: National Science Foundation, 1986.