Dyfyniad APA

Baker, R. L., & Schutz, R. E. (1971). Instructional product development. Van Nostrand.

Dyfyniad Arddull Chicago

Baker, Robert L., and Richard E. Schutz. Instructional Product Development. New York: Van Nostrand, 1971.

Dyfyniad MLA

Baker, Robert L., and Richard E. Schutz. Instructional Product Development. Van Nostrand, 1971.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.