Symposium on the Steel Industry in the 1980s, Paris, 1980, & Organization for Economic Cooperation and Development. (1980). Steel in the 80s: Paris symposium, February, 1980. Organisation for Economic Co-operation and Development.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Symposium on the Steel Industry in the 1980s, Paris, 1980, và Organization for Economic Cooperation and Development. Steel in the 80s: Paris Symposium, February, 1980. Paris, France: Organisation for Economic Co-operation and Development, 1980.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Symposium on the Steel Industry in the 1980s, Paris, 1980, và Organization for Economic Cooperation and Development. Steel in the 80s: Paris Symposium, February, 1980. Organisation for Economic Co-operation and Development, 1980.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.