Roberts, Jon <br/><br/>
Steps to fluency  : a short course in communication 
/ Jon Roberts. 
. - Oxford ; New york ; Toronto (etc)  : Pergamon press, 1985
. - 67 p.  : ill.  ; 24 cm. 
<br/><br/>Index. 
<br/><br/><label>ISBN: </label>008031094X 
<br/><br/><label>Source: </label> Fonds IP 
<br/><br/><label>Universal Decimal Class. No.: </label>802.