Briggs, L. J., Gustafson, K. L., & Tillman, M. (1991). Instructional design: Principles and applications (2nd ed.). Educational Technology Publications.
Lua i Stíl Chicago (17ú heag.)Briggs, Leslie J., Kent L. Gustafson, agus Murray Tillman. Instructional Design: Principles and Applications. 2nd ed. Englewood Cliffs, N.J.: Educational Technology Publications, 1991.
Lua MLA (8ú heag.)Briggs, Leslie J., et al. Instructional Design: Principles and Applications. 2nd ed. Educational Technology Publications, 1991.
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