Glaser, R., & Holzman, A. G. (1962). Multi-tracking in programmed instruction. Dept. of Psychology, Univ. of Pittsburgh.
Dyfyniad Arddull ChicagoGlaser, Robert, and Albert G. Holzman. Multi-tracking in Programmed Instruction. Pittsburgh: Dept. of Psychology, Univ. of Pittsburgh, 1962.
Dyfyniad MLAGlaser, Robert, and Albert G. Holzman. Multi-tracking in Programmed Instruction. Dept. of Psychology, Univ. of Pittsburgh, 1962.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.