Goldstein, Larry Joel <br/><br/>
Finite mathematics and its applications / 
Larry J. Goldstein, David I. Schneider, Martha J. Siegel. 
 - 3rd ed. 
 - Englewood Cliffs, NJ :  Prentice Hall,  c1988. 
 - 1 v. (various pagings) : ill 
<br/><br/> Includes index