Citazione Stile APA (7a Edizione)
World Health Organization. Regional Office for Europe & ebrary, Inc. (2010). Sixty years of WHO in Europe. WHO Regional Office for Europe.
Citazione stile Chigago Style (17a edizione)
World Health Organization. Regional Office for Europe e Inc ebrary. Sixty Years of WHO in Europe. Copenhagen: WHO Regional Office for Europe, 2010.
Citatione MLA (9a ed.)
World Health Organization. Regional Office for Europe e Inc ebrary. Sixty Years of WHO in Europe. WHO Regional Office for Europe, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.