Gaya APA

Richey, B, B, S, R, C. (1994). INSTRUCTIONAL TECHNOLOGY: The Definition and Domains of the Field . Washington,DC: Association for Education Communitions and Technology.

Gaya MLA

Richey, Barbara, B., Seels,, Rita, C.. "INSTRUCTIONAL TECHNOLOGY: The Definition and Domains of the Field". Washington,DC: Association for Education Communitions and Technology, 1994. Text.