Cita APA (7th ed.)

Sleeman, P. J., Cobun, T. C., & Rockwell, D. M. (1979). Instructional media and technology: A guide to accountable learning systems. Longman.

Cita Chicago (17th ed.)

Sleeman, Phillip J., Ted C. Cobun, i D. M. Rockwell. Instructional Media and Technology: A Guide to Accountable Learning Systems. New York: Longman, 1979.

Cita MLA (8th ed.)

Sleeman, Phillip J., et al. Instructional Media and Technology: A Guide to Accountable Learning Systems. Longman, 1979.