American Planning Association. (1969). Planning. American Society of Planning Officials.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAmerican Planning Association. Planning. Chicago, Ill: American Society of Planning Officials, 1969.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAmerican Planning Association. Planning. American Society of Planning Officials, 1969.
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