Blewitt, J. (2018). Understanding sustainable development (Third edition.). Routledge, Taylor & Francis Group.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBlewitt, John. Understanding Sustainable Development. Third edition. London ; New York: Routledge, Taylor & Francis Group, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBlewitt, John. Understanding Sustainable Development. Third edition. Routledge, Taylor & Francis Group, 2018.
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