Dyfyniad APA

Kiernan, C., & Woodford, F. P. (1975). Behaviour modification with the severely retarded. Elsevier.

Dyfyniad Arddull Chicago

Kiernan, Chris, and F. Peter Woodford. Behaviour Modification with the Severely Retarded. Amsterdam ; New York: Elsevier, 1975.

Dyfyniad MLA

Kiernan, Chris, and F. Peter Woodford. Behaviour Modification with the Severely Retarded. Elsevier, 1975.

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