Athey, C. (1990). Extending thought in young children: A parent-teacher partnership. PCP/Sage Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAthey, Chris. Extending Thought in Young Children: A Parent-teacher Partnership. Thousand Oaks, CA: PCP/Sage Publications, 1990.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAthey, Chris. Extending Thought in Young Children: A Parent-teacher Partnership. PCP/Sage Publications, 1990.
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