Mccormick Ernest J. (1964). Human factors engineering/2e (2nd ed.). Mc Graw Hill.
Dyfyniad Arddull ChicagoMccormick Ernest J. Human Factors Engineering/2e. 2nd ed. New York: Mc Graw Hill, 1964.
Dyfyniad MLAMccormick Ernest J. Human Factors Engineering/2e. 2nd ed. Mc Graw Hill, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.