Dyfyniad APA

Myklebust, H. R. (1971). Progress in learning disabilities. Grune & Stratton.

Dyfyniad Arddull Chicago

Myklebust, Helmer R. Progress in Learning Disabilities. New York: Grune & Stratton, 1971.

Dyfyniad MLA

Myklebust, Helmer R. Progress in Learning Disabilities. Grune & Stratton, 1971.

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