LEITMANN, J. (1999). Sustaining cities: Environmental planning and management in urban design. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLEITMANN, Josef. Sustaining Cities: Environmental Planning and Management in Urban Design. New York: McGraw-Hill, 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLEITMANN, Josef. Sustaining Cities: Environmental Planning and Management in Urban Design. McGraw-Hill, 1999.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.