Dyfyniad APA

Bartel, C. R. (1976). Instructional analysis and materials development. ATS.

Dyfyniad Arddull Chicago

Bartel, Carl R. Instructional Analysis and Materials Development. Illinois: ATS, 1976.

Dyfyniad MLA

Bartel, Carl R. Instructional Analysis and Materials Development. ATS, 1976.

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