"Loney, S.L." <br/><br/>
The Elements of Coordinate Geometry 

 -  oxford Press,,Nelson,Redspot,collins,Marshalk Cavendish,Federal,Maxford Books  2003 
 - 416 
<br/><br/><label>ISBN: </label>9788181160119 
<br/><br/><label>Dewey Class. No.: </label>510  / .2929