Group, T. D. (1986). Child Development: A Comprehensive guide to your child's growth and ability. Corgi Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGroup, The Diagram. Child Development: A Comprehensive Guide to Your Child's Growth and Ability. Corgi Books, 1986.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGroup, The Diagram. Child Development: A Comprehensive Guide to Your Child's Growth and Ability. Corgi Books, 1986.
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