Não informado. (2002). Childhood Education. Association for Childhood Education International.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Childhood Education. Wheaton, Md: Association for Childhood Education International, 2002.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Childhood Education. Association for Childhood Education International, 2002.
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