National Academy of Engineering. Committee on Public Engineering Policy & United States. Congress. House. Committee on Science and Astronautics. (1969). A study of technology assessment: Report of the Committee on Public Engineering Policy, National Academy of Engineering. Committee on Science and Astronautics, U.S. House of Representatives; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Academy of Engineering. Committee on Public Engineering Policy و United States. Congress. House. Committee on Science and Astronautics. A Study of Technology Assessment: Report of the Committee on Public Engineering Policy, National Academy of Engineering. [Washington]: Committee on Science and Astronautics, U.S. House of Representatives; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1969.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)National Academy of Engineering. Committee on Public Engineering Policy و United States. Congress. House. Committee on Science and Astronautics. A Study of Technology Assessment: Report of the Committee on Public Engineering Policy, National Academy of Engineering. Committee on Science and Astronautics, U.S. House of Representatives; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1969.