HEARNDEN , K. (1987). HD BK OF COMPUTER SECURITY. KOGAN PAGE.
Chicago Style (17th ed.) CitationHEARNDEN , KEITH. HD BK OF COMPUTER SECURITY. LONDON: KOGAN PAGE, 1987.
MLA (9th ed.) CitationHEARNDEN , KEITH. HD BK OF COMPUTER SECURITY. KOGAN PAGE, 1987.
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