Bloodstein, O. (1969). A handbook on stuttering. National Easter Seal Society for Crippled Children and Adults.
Dyfyniad Arddull ChicagoBloodstein, Oliver. A Handbook on Stuttering. Chicago: National Easter Seal Society for Crippled Children and Adults, 1969.
Dyfyniad MLABloodstein, Oliver. A Handbook on Stuttering. National Easter Seal Society for Crippled Children and Adults, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.