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STALLINGS WILLIAM. (2006). NETWORK SECURITY ESSENTIALS: APPLICATION AND STANDARDS. PEARSON EDUCATION.

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STALLINGS WILLIAM. NETWORK SECURITY ESSENTIALS: APPLICATION AND STANDARDS. ESSEX: PEARSON EDUCATION, 2006.

MLA -ийн эшлэл (9 дэх хэвлэлт)

STALLINGS WILLIAM. NETWORK SECURITY ESSENTIALS: APPLICATION AND STANDARDS. PEARSON EDUCATION, 2006.