Digital design with :  an introduction to the Verilog HDL / 
Mano, Morris M.; Ciletti, Michael D. 
 - 5th ed. 
 - England :  Pearson Education Limited,  2013. 
 - 563 p.: 23 cm. 
<br/><br/>Includes appendix, answer to selected problems, index 
<br/><br/><label>ISBN: </label>9780273764526 
<br/><br/><label>Dewey Class. No.: </label>C 621.381 M285 2013