World Health Organization. (2001). WHO drug information. World Health Organization.
Chicago-стиль цитированияWorld Health Organization. WHO Drug Information. Geneva: World Health Organization, 2001.
MLA-цитированиеWorld Health Organization. WHO Drug Information. World Health Organization, 2001.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.