Sustainable Structures | Sustainable Development Press Limited. Cambridge University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSustainable Structures | Sustainable Development Press Limited. Cambridge University Press.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSustainable Structures | Sustainable Development Press Limited. Cambridge University Press.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.