Não informado. (1971). British journal of mental subnormality. British Society for the Study of Mental Subnormality.
Chicago (17e ed.) BronvermeldingNão informado. British Journal of Mental Subnormality. Birmingham, Inglaterra: British Society for the Study of Mental Subnormality, 1971.
MLA (8e ed.) BronvermeldingNão informado. British Journal of Mental Subnormality. British Society for the Study of Mental Subnormality, 1971.
Let op: Deze citaties zijn niet altijd 100% accuraat.