United Nations. Industrial Development Organization, V. (1969). Studies in the development of plastics industries (Petro-chemical ...No.4). United Nations.
Цитирование в стиле Чикаго (17-е изд.)United Nations. Industrial Development Organization, Vienna. Studies in the Development of Plastics Industries (Petro-chemical ...No.4). United Nations, 1969.
Цитирование MLA (9-е изд.)United Nations. Industrial Development Organization, Vienna. Studies in the Development of Plastics Industries (Petro-chemical ...No.4). United Nations, 1969.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.