Committee on Time Horizons and Technology Investments, N. A. o. E. (1992). Time horizons and technology investments. Washington, D.C: National Academy Press.
Dyfyniad Arddull ChicagoCommittee on Time Horizons and Technology Investments, National Academy of Engineering. Time Horizons and Technology Investments. Washington, D.C: National Academy Press, 1992.
Dyfyniad MLACommittee on Time Horizons and Technology Investments, National Academy of Engineering. Time Horizons and Technology Investments. Washington, D.C: National Academy Press, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.