Cita APA (7a ed.)
Ault, R. L. (1977). Children's cognitive development: Piaget's theory and the process approach.
Cita estilo Chicago (17a ed.)
Ault, Ruth L. Children's Cognitive Development: Piaget's Theory and the Process Approach. 1977.
Cita MLA (9a ed.)
Ault, Ruth L. Children's Cognitive Development: Piaget's Theory and the Process Approach. 1977.
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