Dyfyniad APA

(1969). Child welfare: Services and perspectives.

Dyfyniad Arddull Chicago

Child Welfare: Services and Perspectives. 1969.

Dyfyniad MLA

Child Welfare: Services and Perspectives. 1969.

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