Dyfyniad APA

(1998). Primary prevention of mental, neurological and psychosocial disorders.

Dyfyniad Arddull Chicago

Primary Prevention of Mental, Neurological and Psychosocial Disorders. 1998.

Dyfyniad MLA

Primary Prevention of Mental, Neurological and Psychosocial Disorders. 1998.

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