Gaya APA
PIAGET, J., Inhelder, B.
(1969).
The Psychology of the Child
(
Cet. 7)
.
New York:
Basic Books, Inc..
Gaya MLA
PIAGET, Jean., Inhelder, Barbel.
"The Psychology of the Child".
Cet. 7
New York:
Basic Books, Inc.,
1969.
Text.