Norton, F. G. J. <br/><br/>
Ordinary level mathematics 

 - 6th ed. 
 - London  ; Arnold Publishers  , 1992 
 - xvi,554p. 
<br/><br/><label>ISBN: </label> 50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510  / NOR