Wardhaugh, Ronald <br/><br/>
Investigating language : central problems in linguistics 
by Ronald Wardhaugh 
 - Oxford  Blackwell  1993 
 - viii, 292p.;  24cm.- 
 - Language library .
<br/><br/><label>ISBN: </label>0631187545 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Linguistics<br/>Foreign Languages
<br/><br/><label>Dewey Class. No.: </label>410  / WAR