APA (7e ed.) Bronvermelding

Não informado. Disability now. Spastics Society.

Chicago (17e ed.) Bronvermelding

Não informado. Disability Now. London: Spastics Society.

MLA (8e ed.) Bronvermelding

Não informado. Disability Now. Spastics Society.

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