Levins, S., & Langdo, B. (2010). Do you sing Twinkle?: A story about remarriage and new family. Magination Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLevins, Sandra, और Bryan Langdo. Do You Sing Twinkle?: A Story About Remarriage and New Family. Washington, D.C.: Magination Press, 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLevins, Sandra, और Bryan Langdo. Do You Sing Twinkle?: A Story About Remarriage and New Family. Magination Press, 2010.
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