Valencia Sáiz, Ángel. «Explorations in Environmental Political Theory. Thinking about Whatwe Value Environmental Thought Citizenship and the Environment Liberal Democracy and Environmentalism. The End of Environmentalism?». Revista Española De Ciencia Política, n.º 12, marzo de 2013, pp. 167-71, https://recyt.fecyt.es/index.php/recp/article/view/37406.