4J. B. Foster. The Vulnerable Planet. New York: Monthly Review Press, 1999: 11.
5J. B. Foster& Soron Dennis. Ecology, Capitalism, and the Socialization of Nature: An Interview with John Bellamy, Monthly Review: An Independent Socialist Magazine, Vol. 56 Issue 6, Nov2004.
6Ellen Grigsby. Analyzing Politics: AN Introduction to Political eienee, Third Edition , Belmont, CA, USA: Thomison/Wadsworth Learning, 2005:145 - 146.
7J. B. Foster. Organizing Ecological Revolution, Monthly Review: An Independent Socialist Magazine, . Vol. 57 Issue 5, Oct2005: 9.
8J. B. Foster& B. Clark, Ecological Imperialism: The Curse of Capitalism, Socialist Register 2004, London: merlin press, 2003: 198.
