APA-viite (7. p.)

Piaget, J. (1970). Science of education and the psychology of the child. Penguin Books.

Chicago-viite (17. p.)

Piaget, Jean. Science of Education and the Psychology of the Child. New York: Penguin Books, 1970.

MLA-viite (8. p.)

Piaget, Jean. Science of Education and the Psychology of the Child. Penguin Books, 1970.

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