Krasny. Urban Environmental Education Review. Cornell University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKrasny. Urban Environmental Education Review. Cornell University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKrasny. Urban Environmental Education Review. Cornell University Press.
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