Gregg, M. (2009). CISSP practice questions (2nd ed.). Pearson.
Chicago Style (17th ed.) CitationGregg, Michael. CISSP Practice Questions. 2nd ed. [United States?]: Pearson, 2009.
MLA (9th ed.) CitationGregg, Michael. CISSP Practice Questions. 2nd ed. Pearson, 2009.
Warning: These citations may not always be 100% accurate.