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Lua i Stíl Chicago (17ú heag.).brown, lester R., christopher flavin, agus linda starke. State of the World, 1996: A Worldwatch Institute Report on Progress Toward a Sustainable Society. New York: Norton, 1996.
Lua MLA (9ú heag.).brown, lester R., et al. State of the World, 1996: A Worldwatch Institute Report on Progress Toward a Sustainable Society. Norton, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.