Gaya APA
Jean Piaget, dkk. (1960).
The Child's Conception Of Geometry .
New York:
Harper & Row, Publishers.
Gaya Chicago
Jean Piaget, dkk.
The Child's Conception Of Geometry.
New York:
Harper & Row, Publishers,
1960.
Text.
Gaya MLA
Jean Piaget, dkk.
The Child's Conception Of Geometry.
New York:
Harper & Row, Publishers,
1960.
Text.
Gaya Turabian
Jean Piaget, dkk.
The Child's Conception Of Geometry.
New York:
Harper & Row, Publishers,
1960.
Print.