Worldwatch Institute & Brown, L. (2000). State of the world 2000: A Worldwatch Institute report on progress toward a sustainable society. Norton.
Čikaški stil citiranja (17. izdanje)Worldwatch Institute i LesterR Brown. State of the World 2000: A Worldwatch Institute Report on Progress Toward a Sustainable Society. New York, N.Y.: Norton, 2000.
MLA način citiranja (8. izdanje)Worldwatch Institute i LesterR Brown. State of the World 2000: A Worldwatch Institute Report on Progress Toward a Sustainable Society. Norton, 2000.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.