Southwest Regional Laboratory for Educational Research and Development, Baker, R. L., & Schutz, R. E. (1971). Instructional product development. Van Nostrand Reinhold Co..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSouthwest Regional Laboratory for Educational Research and Development, Robert Lee Baker, और Richard E. Schutz. Instructional Product Development. New York: Van Nostrand Reinhold Co., 1971.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSouthwest Regional Laboratory for Educational Research and Development, et al. Instructional Product Development. Van Nostrand Reinhold Co., 1971.
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