Cita APA (7th ed.)

Glaser, R., & Holzman, A. G. (1962). Multi-tracking in programmed instruction. Dept. of Psychology, Univ. of Pittsburgh.

Cita Chicago (17th ed.)

Glaser, Robert, i Albert G. Holzman. Multi-tracking in Programmed Instruction. Pittsburgh: Dept. of Psychology, Univ. of Pittsburgh, 1962.

Cita MLA (8th ed.)

Glaser, Robert, i Albert G. Holzman. Multi-tracking in Programmed Instruction. Dept. of Psychology, Univ. of Pittsburgh, 1962.