Gaya APA

Swanson, C, P., Cavert, C, E. (NULL). An approach to the design of mediated instruction . New: New York: The Association for Educational Communications and Technology; ì 1974.

Gaya MLA

Swanson, Carl, P.., Cavert, C., Edward. "An approach to the design of mediated instruction". New: New York: The Association for Educational Communications and Technology; ì 1974, NULL. Text.