Dyfyniad APA

Carlson, B. W., & Ginglend, D. R. (1968). Recreation for retarded teenagers and young adults. Abingdon.

Dyfyniad Arddull Chicago

Carlson, Bernice W., and David R. Ginglend. Recreation for Retarded Teenagers and Young Adults. Nashville: Abingdon, 1968.

Dyfyniad MLA

Carlson, Bernice W., and David R. Ginglend. Recreation for Retarded Teenagers and Young Adults. Abingdon, 1968.

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