APA-referens

Silver, C. S. D. (1991). One earth , one future: Our changing global environment. Affiliated East-West Press.

Chicago-stil citat

Silver, Cheryl Simon DeFries. One Earth , One Future: Our Changing Global Environment. New Delhi: Affiliated East-West Press, 1991.

MLA-referens

Silver, Cheryl Simon DeFries. One Earth , One Future: Our Changing Global Environment. Affiliated East-West Press, 1991.