APA-viite

(1996). State of the world 1996: A worldwatch institute report on progress toward a sustainable society. New York: W.W.Norton & Company.

Chicago-tyylinen lähdeviittaus

State of the World 1996: A Worldwatch Institute Report On Progress Toward a Sustainable Society. New York: W.W.Norton & Company, 1996.

MLA-viite

State of the World 1996: A Worldwatch Institute Report On Progress Toward a Sustainable Society. New York: W.W.Norton & Company, 1996.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.