Mastering public speaking / 
George L. Grice. [et.al.] 
 - Ninth edition. 
 - Boston :  Pearson,  2016. 
 - XXXI, 343 s. :  il. ;  28 cm. 
<br/><br/> Indeks. 
<br/><br/><label>ISBN: </label>9780133753837 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Język angielski--słownictwo--studia i nauczanie.