APA (7 वां संस्करण) प्रशस्ति पत्र

Leal Filho, W. (2011). World trends in education for sustainable development. Peter Lang Publishing,Inc.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Leal Filho, Walter. World Trends in Education for Sustainable Development. Frankfurt am Main: Peter Lang Publishing,Inc, 2011.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Leal Filho, Walter. World Trends in Education for Sustainable Development. Peter Lang Publishing,Inc, 2011.