Cita APA (7th ed.)

Brethower, D. M. (1963). Programmed instruction: A manual of programming techniques. Educational Methods.

Cita Chicago (17th ed.)

Brethower, Dale M. Programmed Instruction: A Manual of Programming Techniques. Chicago: Educational Methods, 1963.

Cita MLA (9th ed.)

Brethower, Dale M. Programmed Instruction: A Manual of Programming Techniques. Educational Methods, 1963.