DAVIES, J. W., & DAVIES, J. W. (1996). Communication For Engieneering Students John W. Davies. Longman.
Čikaški stil citiranja (17. izdanje)DAVIES, John W., i John W. DAVIES. Communication For Engieneering Students John W. Davies. Longman, 1996.
MLA način citiranja (8. izdanje)DAVIES, John W., i John W. DAVIES. Communication For Engieneering Students John W. Davies. Longman, 1996.
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