APA (7e ed.) Bronvermelding
Piaget, J. (1999). The child's conception of physical causality. Routledge.
Chicago (17e ed.) Bronvermelding
Piaget, Jean. The Child's Conception of Physical Causality. London: Routledge, 1999.
MLA (9e ed.) Bronvermelding
Piaget, Jean. The Child's Conception of Physical Causality. Routledge, 1999.
Let op: Deze citaties zijn niet altijd 100% accuraat.