"The Ecological Civilization Debate in China: The Role of Ecological Marxism and Constructive Postmodernism—Beyond the Predicament of Legislation" (页面存档备份,存于互联网档案馆)
James; Ticktin, Hillel; Ollman, Bertell. 1998. From "The Difference Between Marxism and Market Socialism" (pp. 61–63): "More fundamentally, a socialist society