Baker, R. L., & Schutz, R. E. (1971). Instructional product development. Van Nostrand.
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Dyfyniad Arddull Chicago
Baker, Robert L., and Richard E. Schutz. Instructional Product Development. New York: Van Nostrand, 1971.
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Dyfyniad MLA
Baker, Robert L., and Richard E. Schutz. Instructional Product Development. Van Nostrand, 1971.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.