Haney, J. B., & Ullmer, E. J. (1975). Educational communications and technology: An introduction for teachers (2d ed.). W. C. Brown Co., Publishers.
Cita Chicago (17th ed.)Haney, John B., i Eldon J. Ullmer. Educational Communications and Technology: An Introduction for Teachers. 2d ed. Dubuque, Iowa: W. C. Brown Co., Publishers, 1975.
Cita MLA (8th ed.)Haney, John B., i Eldon J. Ullmer. Educational Communications and Technology: An Introduction for Teachers. 2d ed. W. C. Brown Co., Publishers, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.