Trích dẫn APA

(1970). Problems of air and water pollution arising in the iron and steel industry. New York: United Nations.

Trích dẫn kiểu Chicago

Problems of Air and Water Pollution Arising in the Iron and Steel Industry. New York: United Nations, 1970.

Trích dẫn MLA

Problems of Air and Water Pollution Arising in the Iron and Steel Industry. New York: United Nations, 1970.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.