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Lua i Stíl Chicago (17ú heag.)STATE. State of the World 1992: A Worldwatch Institute Reporton Progress Toward a Sustainable Society. New York: WW Norton and co, 1992.
Lua MLA (9ú heag.)STATE. State of the World 1992: A Worldwatch Institute Reporton Progress Toward a Sustainable Society. WW Norton and co, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.