APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Emde, R. N., Hewitt, J. K., & Kagan, J. (2001). Infancy to early childhood: Genetic and environmental influences on developmental change. Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Robert N. Emde, John K. Hewitt, और Jerome Kagan. Infancy to Early Childhood: Genetic and Environmental Influences on Developmental Change. Oxford ; New York: Oxford University Press, 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, et al. Infancy to Early Childhood: Genetic and Environmental Influences on Developmental Change. Oxford University Press, 2001.
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