Nystrom, C., & Speidel, S. (2007). Before I was born: Designed for parents to read with children ages 5 to 8 (Rev. and updated.). NavPress.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNystrom, Carolyn, और Sandra Speidel. Before I Was Born: Designed for Parents to Read with Children Ages 5 to 8. Rev. and updated. Colorado Springs, Colo.: NavPress, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNystrom, Carolyn, और Sandra Speidel. Before I Was Born: Designed for Parents to Read with Children Ages 5 to 8. Rev. and updated. NavPress, 2007.
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