Mathematical Reasoning :  Writing and Proof /  
Sandstrom Ted  
 - New Jersey :   Pearson Education Inc.  2003. 
 - xiv. 435 p.  24 cm. 
<br/><br/><label>ISBN: </label>0130618152 
<br/><br/><label>LC Class. No.: </label>QA9.54  / .S96  2003