APA ציטוט

Scott, J. M. (1972). Extel 100: The centenary history of the exchange telegraph company. London: Ernest Benn Limited.

Trích dẫn kiểu Chicago

Scott, J. M. Extel 100: The Centenary History of the Exchange Telegraph Company. London: Ernest Benn Limited, 1972.

ציטוט MLA

Scott, J. M. Extel 100: The Centenary History of the Exchange Telegraph Company. London: Ernest Benn Limited, 1972.