Gaya APA
Piaget, J.
(2010).
Psikologi anak ; the psychology of child / Jean Piaget
(
Cet.1)
.
New York:
Pustaka Pelajar.
Gaya MLA
Piaget, Jean.
"Psikologi anak ; the psychology of child / Jean Piaget".
Cet.1
New York:
Pustaka Pelajar,
2010.
Text.