Walker,M. (2022). CEH- Certified Ethical Hacker Exam Guide (5th ed.). McGrwahill.
Lua i Stíl Chicago (17ú heag.)Walker,M. CEH- Certified Ethical Hacker Exam Guide. 5th ed. New York: McGrwahill, 2022.
Lua MLA (9ú heag.)Walker,M. CEH- Certified Ethical Hacker Exam Guide. 5th ed. McGrwahill, 2022.
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