Dunnett, N. (2011). Small green roofs: Low-tech options for greener living. Timber Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDunnett, Nigel. Small Green Roofs: Low-tech Options for Greener Living. Portland, Or.: Timber Press, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDunnett, Nigel. Small Green Roofs: Low-tech Options for Greener Living. Timber Press, 2011.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.