Riddle, Douglas F <br/><br/>
Analytic geometry / 
Douglas F. Riddle. 
 - 6th ed. 
 - Boston :  PWS Publishing,  c1996. 
 - xvii, 473 p. :  ill. ;  25 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0534948545 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry, Analytic.
<br/><br/><label>LC Class. No.: </label>QA551  / .R52 1996