World Health Organization. Regional Office for Europe & ebrary, Inc. (2010). Sixty years of WHO in Europe. WHO Regional Office for Europe.
Čikaški stil citiranja (17. izdanje)World Health Organization. Regional Office for Europe i Inc ebrary. Sixty Years of WHO in Europe. Copenhagen: WHO Regional Office for Europe, 2010.
MLA način citiranja (9. izdanje)World Health Organization. Regional Office for Europe i Inc ebrary. Sixty Years of WHO in Europe. WHO Regional Office for Europe, 2010.
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