Larson geometry / 
Larson. 
 - Austin, TX :  Holt McDougal,  2009. 
 - 339 p: 
<br/><br/><br/>in English 
<br/><br/><label>ISBN: </label>13:978-0-547-11723-2 
<br/><br/><label>LC Class. No.: </label>516 L32 c2009