Southwest Regional Laboratory for Educational Research and Development, Baker, R. L., & Schutz, R. E. (1971). Instructional product development. Van Nostrand Reinhold Co..
Παραπομπή σε μορφή Chicago (17η εκδ.)Southwest Regional Laboratory for Educational Research and Development, Robert Lee Baker, και Richard E. Schutz. Instructional Product Development. New York: Van Nostrand Reinhold Co., 1971.
Παραπομπή σε μορφή MLA (8th εκδ.)Southwest Regional Laboratory for Educational Research and Development, et al. Instructional Product Development. Van Nostrand Reinhold Co., 1971.
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