O'SHAUGHNESSY DOUGLAS. (2010). SPEECH COMMUNICATIONS (2nd.). TTI, BERHANPUR,WEST BENGAL.
Cita Chicago Style (17a ed.)O'SHAUGHNESSY DOUGLAS. SPEECH COMMUNICATIONS. 2nd. TTI, BERHANPUR,WEST BENGAL, 2010.
Cita MLA (9a ed.)O'SHAUGHNESSY DOUGLAS. SPEECH COMMUNICATIONS. 2nd. TTI, BERHANPUR,WEST BENGAL, 2010.
Precaución: Estas citas no son 100% exactas.