Desmond, K. (2008). Planet savers: 301 extraordinary environmentalists. Greenleaf Pub..
Cita Chicago Style (17a ed.)Desmond, Kevin. Planet Savers: 301 Extraordinary Environmentalists. Sheffield, U.K.: Greenleaf Pub., 2008.
Cita MLA (8a ed.)Desmond, Kevin. Planet Savers: 301 Extraordinary Environmentalists. Greenleaf Pub., 2008.
Precaución: Estas citas no son 100% exactas.