Zeman, F. (2012). Metropolitan sustainability: Understanding and improving the urban environment. Woodhead Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रZeman, Frank. Metropolitan Sustainability: Understanding and Improving the Urban Environment. Sawston, Cambridge, UK: Woodhead Publishing, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्रZeman, Frank. Metropolitan Sustainability: Understanding and Improving the Urban Environment. Woodhead Publishing, 2012.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.