Cita APA (7th ed.)

Ayres, R. U., & Simonis, U. E. (1994). Industrial metabolism: Restructuring for sustainable development. United Nations University Press.

Cita Chicago (17th ed.)

Ayres, Robert U., i Udo Ernst Simonis. Industrial Metabolism: Restructuring for Sustainable Development. Tokyo: United Nations University Press, 1994.

Cita MLA (9th ed.)

Ayres, Robert U., i Udo Ernst Simonis. Industrial Metabolism: Restructuring for Sustainable Development. United Nations University Press, 1994.