Dyfyniad APA

Whitman, M. E., & Mattord, H. J. (2012). Principles of information security (4th ed.). Course Technology.

Dyfyniad Arddull Chicago

Whitman, Michael E., and Herbert J. Mattord. Principles of Information Security. 4th ed. Boston, MA: Course Technology, 2012.

Dyfyniad MLA

Whitman, Michael E., and Herbert J. Mattord. Principles of Information Security. 4th ed. Course Technology, 2012.

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