Leal Filho, W. (2011). World trends in education for sustainable development. Peter Lang Publishing,Inc.
Citazione stile Chigago Style (17a edizione)Leal Filho, Walter. World Trends in Education for Sustainable Development. Frankfurt am Main: Peter Lang Publishing,Inc, 2011.
Citatione MLA (9a ed.)Leal Filho, Walter. World Trends in Education for Sustainable Development. Peter Lang Publishing,Inc, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.