World Health Organization. Regional Office for Europe & ebrary, Inc. (2010). Sixty years of WHO in Europe. WHO Regional Office for Europe.
Цитирование в стиле Чикаго (17-е изд.)World Health Organization. Regional Office for Europe и Inc ebrary. Sixty Years of WHO in Europe. Copenhagen: WHO Regional Office for Europe, 2010.
Цитирование MLA (9-е изд.)World Health Organization. Regional Office for Europe и Inc ebrary. Sixty Years of WHO in Europe. WHO Regional Office for Europe, 2010.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.