Gaya APA

Haney, J, B., J., I, U, E. (NULL). Educational communications and technology an introduction . Iowa:: Iowa: Wm. C. Brown; 1980.

Gaya MLA

Haney, John, B.., J., I., Ullmer,, Eldon. "Educational communications and technology an introduction". Iowa:: Iowa: Wm. C. Brown; 1980, NULL. Text.