World Health Organization. Regional Office for Europe & ebrary, Inc. (2009). The European health report: Health and health systems. World Health Organization, WHO Regional Office for Europe.
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Chicago Style (17th ed.) Zitazioa
World Health Organization. Regional Office for Europe eta Inc ebrary. The European Health Report: Health and Health Systems. Copenhagen: World Health Organization, WHO Regional Office for Europe, 2009.
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MLA (9th ed.) Zitazioa
World Health Organization. Regional Office for Europe eta Inc ebrary. The European Health Report: Health and Health Systems. World Health Organization, WHO Regional Office for Europe, 2009.
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Kontuz: berrikusi erreferentzia hauek erabili aurretik.