Waard, D. d. (1996). The measurement of drivers' mental workload. Groningen University, Traffic Research Center.
Dyfyniad Arddull ChicagoWaard, Dick de. The Measurement of Drivers' Mental Workload. Haren, The Netherlands: Groningen University, Traffic Research Center, 1996.
Dyfyniad MLAWaard, Dick de. The Measurement of Drivers' Mental Workload. Groningen University, Traffic Research Center, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.