APA (7 वां संस्करण) प्रशस्ति पत्र

Cardew, R. (1982). Why cities change: Urban development and economic change in Sydney. Geographical Society of New South Wales.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Cardew, R.V. Why Cities Change: Urban Development and Economic Change in Sydney. Sydney: Geographical Society of New South Wales, 1982.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Cardew, R.V. Why Cities Change: Urban Development and Economic Change in Sydney. Geographical Society of New South Wales, 1982.