Smith, B. L. R., & Barfield, C. E. (1996). Technology, R&D, and the economy. Washington, DC.: The Brookings Institution and American Enterprise Institute.
Παραπομπή Chicago StyleSmith, Bruce L. R., and Claude E. Barfield. Technology, R&D, and the Economy. Washington, DC.: The Brookings Institution and American Enterprise Institute, 1996.
Παραπομπή MLASmith, Bruce L. R., and Claude E. Barfield. Technology, R&D, and the Economy. Washington, DC.: The Brookings Institution and American Enterprise Institute, 1996.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.