Gijzen, H. J. (2008). UNESCO on education for sustainable development: UNESCO thrusts. University of the Philippines, College of Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGijzen, Hubert J. UNESCO on Education for Sustainable Development: UNESCO Thrusts. [Quezon City]: University of the Philippines, College of Education, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGijzen, Hubert J. UNESCO on Education for Sustainable Development: UNESCO Thrusts. University of the Philippines, College of Education, 2008.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.