DAVIES, J. W. (1996). Communication For Engineering Students. Addison Wesley Longman Limited.
Lua i Stíl Chicago (17ú heag.)DAVIES, John W. Communication For Engineering Students. Addison Wesley Longman Limited, 1996.
Lua MLA (8ú heag.)DAVIES, John W. Communication For Engineering Students. Addison Wesley Longman Limited, 1996.
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