Gaya APA
Ginsburg, Herbert, Opper, Sylvia. (1969).
Piaget's Theory Of Intellectual Development: An Introduction .
New York:
Prentice-Hall, Inc..
Gaya Chicago
Ginsburg, Herbert, Opper, Sylvia.
Piaget's Theory Of Intellectual Development: An Introduction.
New York:
Prentice-Hall, Inc.,
1969.
Text.
Gaya MLA
Ginsburg, Herbert, Opper, Sylvia.
Piaget's Theory Of Intellectual Development: An Introduction.
New York:
Prentice-Hall, Inc.,
1969.
Text.
Gaya Turabian
Ginsburg, Herbert, Opper, Sylvia.
Piaget's Theory Of Intellectual Development: An Introduction.
New York:
Prentice-Hall, Inc.,
1969.
Print.