Algebra and Trigonometry  
Rees Paul K. Fed Sparks , Charles Sparks Rees 
 - 3rd ed. 
 - New York :  McGraw-Hill ,  1975. 
 - ix,563 p.: 
<br/><br/><label>ISBN: </label>0070517231 
<br/><br/><label>LC Class. No.: </label>QA154.2  / .R43  1975