Dyfyniad APA

WHITMAN MICHAEL. (2012). PRINCIPLES OF INFORMATION SECURITY (4TH ED.). CENGAGE LEARNING.

Dyfyniad Arddull Chicago

WHITMAN MICHAEL. PRINCIPLES OF INFORMATION SECURITY. 4TH ED. ANDOVER: CENGAGE LEARNING, 2012.

Dyfyniad MLA

WHITMAN MICHAEL. PRINCIPLES OF INFORMATION SECURITY. 4TH ED. CENGAGE LEARNING, 2012.

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