Briggs, L. J., Gustafson, K. L., & Tillman, M. (1991). Instructional design: Principles and applications (2nd ed.). Educational Technology Publications.

Briggs, Leslie J., Kent L. Gustafson, and Murray Tillman. Instructional Design: Principles and Applications. 2nd ed. Englewood Cliffs, N.J.: Educational Technology Publications, 1991.

Briggs, Leslie J., et al. Instructional Design: Principles and Applications. 2nd ed. Educational Technology Publications, 1991.