Citação norma APA

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

Citação norma Chicago

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

Citação norma MLA

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

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.