APA (7e ed.) Bronvermelding
BERK, L. (1987). DEVELOPMENT OF PRIVATE SPEECH AMONG PRESCHOOL CHILDREN.
Chicago (17e ed.) Bronvermelding
BERK, L.E. DEVELOPMENT OF PRIVATE SPEECH AMONG PRESCHOOL CHILDREN. 1987.
MLA (9e ed.) Bronvermelding
BERK, L.E. DEVELOPMENT OF PRIVATE SPEECH AMONG PRESCHOOL CHILDREN. 1987.
Let op: Deze citaties zijn niet altijd 100% accuraat.