Não informado. (2000). Environment and development. American Planning Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Environment and Development. Chicago, Ill: American Planning Association, 2000.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Environment and Development. American Planning Association, 2000.
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