Kolstad, C. D. (2011). Intermediate Environmental Economics (2nd.). Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKolstad, Charles D. Intermediate Environmental Economics. 2nd. New Delhi: Oxford University Press, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKolstad, Charles D. Intermediate Environmental Economics. 2nd. Oxford University Press, 2011.
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