Haney, J. B., & Ullmer, E. J. (1975). Educational communications and technology: An introduction for teachers (2d ed.). W. C. Brown Co., Publishers.

Haney, John B., and Eldon J. Ullmer. Educational Communications and Technology: An Introduction for Teachers. 2d ed. Dubuque, Iowa: W. C. Brown Co., Publishers, 1975.

Haney, John B., and Eldon J. Ullmer. Educational Communications and Technology: An Introduction for Teachers. 2d ed. W. C. Brown Co., Publishers, 1975.