ebrary, Inc. (1987). Directions in engineering research: An assessment of opportunities and needs. National Academy Press.
Chicago-Zitierstil (17. Ausg.)ebrary, Inc. Directions in Engineering Research: An Assessment of Opportunities and Needs. Washington, D.C.: National Academy Press, 1987.
MLA-Zitierstil (9. Ausg.)ebrary, Inc. Directions in Engineering Research: An Assessment of Opportunities and Needs. National Academy Press, 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.