United nations industrial development organization. (1990). 1991 Guide to training opportunities for industrial development. UN.
Цитирование в стиле Чикаго (17-е изд.)United nations industrial development organization. 1991 Guide to Training Opportunities for Industrial Development. Austria: UN, 1990.
Цитирование MLA (8-е изд.)United nations industrial development organization. 1991 Guide to Training Opportunities for Industrial Development. UN, 1990.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.