APA (7e ed.) Bronvermelding

Não informado. (1973). Mental Retardation and Developmental Disabilities. Brunner Mazel.

Chicago (17e ed.) Bronvermelding

Não informado. Mental Retardation and Developmental Disabilities. New York: Brunner Mazel, 1973.

MLA (8e ed.) Bronvermelding

Não informado. Mental Retardation and Developmental Disabilities. Brunner Mazel, 1973.

Let op: Deze citaties zijn niet altijd 100% accuraat.