Gaya APA

, ., T, I, L, T. (). System approach to instructional design 1 technology of learning systems ì series . New: New York: Baywood Publishing; 1977.

Gaya MLA

, ., T, I., Liao,, Thomas. "System approach to instructional design 1 technology of learning systems ì series". New: New York: Baywood Publishing; 1977, . Text.