O'Connor, J.1988"Capitalism, socialism, and nature: a theoretical introduction."Capitalism, Nature, and Socialism: A Journal of Socialist Ecology1 (Fall): 11-38.
9.
Pimentel, D. and C. Hall, eds. 1984Food and Energy Resources.Orlando, FL: Academic Press .
10.
Sachs, I.1980Stratégies de l'écodéveloppementParis: Editions Economie et Humanisme et les Editions Ouvrières.
11.
Sahlins, M.1972Stone Age EconomicsChicago : Aldine-Atherton .
12.
Sen, A.K.1959"Choice of agricultural techniques in underdeveloped countries."Economic Development and Cultural Change7 (April): 279-285.
13.
Singh, Narindar1976Economics and the Crisis of EcologyDelhi: Oxford University Press.