World Health Organization & World Health Organization. Arsenic and arsenic compounds.
Цитирование в стиле Чикаго (17-е изд.)World Health Organization и World Health Organization. Arsenic and Arsenic Compounds.
Цитирование MLA (8-е изд.)World Health Organization и World Health Organization. Arsenic and Arsenic Compounds.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.