Ayres, R. U., & Simonis, U. E. (1994). Industrial metabolism: Restructuring for sustainable development. United Nations University Press.
Čikaški stil citiranja (17. izdanje)Ayres, Robert U., i Udo Ernst Simonis. Industrial Metabolism: Restructuring for Sustainable Development. Tokyo: United Nations University Press, 1994.
MLA način citiranja (9. izdanje)Ayres, Robert U., i Udo Ernst Simonis. Industrial Metabolism: Restructuring for Sustainable Development. United Nations University Press, 1994.
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