Walker, Elaine. <br/><br/>
Grammar Practice for elementary students [with key] / 
Elaine Walker, Steve Elsworth. 
 - Harlow :  Pearson Education Limited,  2000. 
 - 172 s. :  25 cm. 
<br/><br/><label>ISBN: </label>0582417066 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Język angielski--gramatyka--podręczniki.