Brethower, D. (1963). Programed instruction: A manual of programming techniques ; a self-instructional programm. Educational Methods, Inc.
Chicago-Zitierstil (17. Ausg.)Brethower, Dale. Programed Instruction: A Manual of Programming Techniques ; a Self-instructional Programm. Chicago: Educational Methods, Inc, 1963.
MLA-Zitierstil (9. Ausg.)Brethower, Dale. Programed Instruction: A Manual of Programming Techniques ; a Self-instructional Programm. Educational Methods, Inc, 1963.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.