Trích dẫn APA

Charles, D. (1989). Technology and Competition in the International Telecommunications Industry. London: Pinter Publishers.

Trích dẫn kiểu Chicago

Charles, David. Technology and Competition in the International Telecommunications Industry. London: Pinter Publishers, 1989.

Trích dẫn MLA

Charles, David. Technology and Competition in the International Telecommunications Industry. London: Pinter Publishers, 1989.

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