Gaya APA

PIAGET, JEAN. (). THE CHILD'S CONCEPTION OF GEOMETRY . New York: Harper.

Gaya Chicago

PIAGET, JEAN. THE CHILD'S CONCEPTION OF GEOMETRY. New York: Harper, . Book.

Gaya MLA

PIAGET, JEAN. THE CHILD'S CONCEPTION OF GEOMETRY. New York: Harper, . Book.

Gaya Turabian

PIAGET, JEAN. THE CHILD'S CONCEPTION OF GEOMETRY. New York: Harper, . Book.