APA (7e ed.) Bronvermelding

Não informado. (1980). Behavior research of severe developmental disabilities. North Holland Publishing.

Chicago (17e ed.) Bronvermelding

Não informado. Behavior Research of Severe Developmental Disabilities. Amsterdam: North Holland Publishing, 1980.

MLA (8e ed.) Bronvermelding

Não informado. Behavior Research of Severe Developmental Disabilities. North Holland Publishing, 1980.

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