Gaya APA

PIAGET, Jean. (1970). The Child's conception oh movement and speed . New York: Basic Books Inc..

Gaya Chicago

PIAGET, Jean. The Child's conception oh movement and speed. New York: Basic Books Inc., 1970. .

Gaya MLA

PIAGET, Jean. The Child's conception oh movement and speed. New York: Basic Books Inc., 1970. .

Gaya Turabian

PIAGET, Jean. The Child's conception oh movement and speed. New York: Basic Books Inc., 1970. .