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Lua i Stíl Chicago (17ú heag.)World Health Organization. The World Health Report 1998: Life in the 21st Century. Geneva: World Health Organization, 1998.
Lua MLA (8ú heag.)World Health Organization. The World Health Report 1998: Life in the 21st Century. World Health Organization, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.