Dyfyniad APA

Illingworth, R. S. (1977). Developmental Disabilities: Psychologic and Social Implications.

Dyfyniad Arddull Chicago

Illingworth, R S. Developmental Disabilities: Psychologic and Social Implications. 1977.

Dyfyniad MLA

Illingworth, R S. Developmental Disabilities: Psychologic and Social Implications. 1977.

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