worldwatch institute, Starke, L., Renner, M., French, . H., & Assadourian, E. (2005). State of the world 2005: A worldwatch institute report on progress toward a sustainable society. Earthscan.
Chicago-referens (17:e uppl.)worldwatch institute, Linda Starke, Michael Renner, Hilary French, och Erik Assadourian. State of the World 2005: A Worldwatch Institute Report on Progress Toward a Sustainable Society. London: Earthscan, 2005.
MLA-referens (8:e uppl.)worldwatch institute, et al. State of the World 2005: A Worldwatch Institute Report on Progress Toward a Sustainable Society. Earthscan, 2005.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.