APA (7e ed.) Bronvermelding
ROYAL SOCIETY FOR MENTALLY HANDICAPPED CHILDREN AND ADULTS. (1987). TRUSTEE VISITORS SERVICE. ROYAL SOCIETY FOR MENTALLY HANDICAPPED CHILDREN AND ADULTS.
Chicago (17e ed.) Bronvermelding
ROYAL SOCIETY FOR MENTALLY HANDICAPPED CHILDREN AND ADULTS. TRUSTEE VISITORS SERVICE. Londres: ROYAL SOCIETY FOR MENTALLY HANDICAPPED CHILDREN AND ADULTS, 1987.
MLA (9e ed.) Bronvermelding
ROYAL SOCIETY FOR MENTALLY HANDICAPPED CHILDREN AND ADULTS. TRUSTEE VISITORS SERVICE. ROYAL SOCIETY FOR MENTALLY HANDICAPPED CHILDREN AND ADULTS, 1987.
Let op: Deze citaties zijn niet altijd 100% accuraat.