Leal Filho, W. (2011). World trends in education for sustainable development. Peter Lang Publishing,Inc.
Citace podle Chicago (17th ed.)Leal Filho, Walter. World Trends in Education for Sustainable Development. Frankfurt am Main: Peter Lang Publishing,Inc, 2011.
Citace podle MLA (9th ed.)Leal Filho, Walter. World Trends in Education for Sustainable Development. Peter Lang Publishing,Inc, 2011.
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