Prealgebra / 
Baratto Stefan , Barry Bergman , Don Hutchison . 
 - 4th 3e. 
 - New York:  McGraw-Hill,  2013. 
 - xxvi,811 p.: 
<br/><br/><label>ISBN: </label>9780073384436 
<br/><br/><label>LC Class. No.: </label>QA152.3  / .B37  2013