APA (7 वां संस्करण) प्रशस्ति पत्र
Bronfenbrenner, U. (1996). The ecology of human development: Experiments by nature and design. Harvard University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Bronfenbrenner, Urie. The Ecology of Human Development: Experiments by Nature and Design. Cambridge, MA: Harvard University Press, 1996.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Bronfenbrenner, Urie. The Ecology of Human Development: Experiments by Nature and Design. Harvard University Press, 1996.
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