STALLINGS WILLIAM. (2006). NETWORK SECURITY ESSENTIALS: APPLICATION AND STANDARDS. PEARSON EDUCATION.
Chicago-viite (17. p.)STALLINGS WILLIAM. NETWORK SECURITY ESSENTIALS: APPLICATION AND STANDARDS. ESSEX: PEARSON EDUCATION, 2006.
MLA-viite (9. p.)STALLINGS WILLIAM. NETWORK SECURITY ESSENTIALS: APPLICATION AND STANDARDS. PEARSON EDUCATION, 2006.
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