Richards, Jack, Hull, Jonathan, Proctor, Susan <br/><br/>
Self - Study Audio Interchange 1 

 -  Cambridge University Press,   2005 
 - 4 cd 
<br/><br/> Facultad-Ecología Humana 
<br/><br/>Area-CD 
<br/><br/>2005 
<br/><br/> This audio program contains the conversations and self study exercises from the student' s book 
<br/><br/><label>Subjects--Index Terms: </label>Genero-Educación