Edwards, Peter.  <br/><br/>
Getting Down to Business in English:  student's book 1/  English  
Person, Christopher 
 - London :  Heinemann Educational Books,  1974. 
 - 172 p.:  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>0435286900 
<br/><br/><label>Dewey Class. No.: </label>428.24  / PEA