Gregg, Michael. <br/><br/>
Certified Ethical Hacker (CEH) Version 9 Cert Guide, Second Edition ; 

 - [Place of publication not identified]  Pearson IT Certification,  2017. 
<br/><br/> Title from content provider. 
<br/><br/><label>ISBN: </label>9780134680842 0134680847 9780134680859 0134680855