Beard, R. M. (1980). An outline of Piaget's developmental psychology. Routledge.
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Chicago Style (17th ed.) Citation
Beard, Ruth M. An Outline of Piaget's Developmental Psychology. London: Routledge, 1980.
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MLA引文
Beard, Ruth M. An Outline of Piaget's Developmental Psychology. Routledge, 1980.
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警告：這些引文格式不一定是100％准確.