The ICD-IO Classification of Mental and Behavioural Disorders : Clinical Descriptions and Diagnosistic Guidelines. (1980). Geneva :: World Health Organization,.
. The ICD-IO Classification of Mental and Behavioural Disorders : Clinical Descriptions and Diagnosistic Guidelines. Geneva :: World Health Organization,, 1980
. The ICD-IO Classification of Mental and Behavioural Disorders : Clinical Descriptions and Diagnosistic Guidelines. Geneva :: World Health Organization,, 1980.