Low, Ona <br/><br/>
First certificate in English practice 
/ Ona Low 
. - 2 nd ed. 
. - London  : E. Arnold, 1983
. - IV-104 p.  ; 25 cm. 
<br/><br/><label>ISBN: </label>0713181466 
<br/><br/><label>Source: </label> Don britannique 
<br/><br/><label>Universal Decimal Class. No.: </label>802.0