Office of Technology Assessment. (1985). Strategic material: Technologies to reduce U. S. import vulnerability. Washington: Office of Technology Assessment.
Trích dẫn kiểu ChicagoOffice of Technology Assessment. Strategic Material: Technologies to Reduce U. S. Import Vulnerability. Washington: Office of Technology Assessment, 1985.
ציטוט MLAOffice of Technology Assessment. Strategic Material: Technologies to Reduce U. S. Import Vulnerability. Washington: Office of Technology Assessment, 1985.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.