APA-referens

Clayton, A. M. H., & Radcliffe, N. J. (1996). Sustainability: A systems approach. Earthscan.

Chicago-stil citat

Clayton, Anthony M. H., och Nicholas J. Radcliffe. Sustainability: A Systems Approach. Boulder, Colo.: Earthscan, 1996.

MLA-referens

Clayton, Anthony M. H., och Nicholas J. Radcliffe. Sustainability: A Systems Approach. Earthscan, 1996.