Lawson, T. E. (1974). Formative instructional product evaluation: Instruments & strategies. Educational Technology Publications.
Chicago-referens (17:e uppl.)Lawson, Tom E. Formative Instructional Product Evaluation: Instruments & Strategies. Englewood Cliffs, N.J.: Educational Technology Publications, 1974.
MLA-referens (8:e uppl.)Lawson, Tom E. Formative Instructional Product Evaluation: Instruments & Strategies. Educational Technology Publications, 1974.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.