APA Citatie

Whitman, M. E., & Mattord, H. J. (2012). Principles of information security .- 4th ed (4th ed.). Cengage Learning.

Chicago Style citaat

Whitman, Michael E., en Herbert J. Mattord. Principles of Information Security .- 4th Ed. 4th ed. New Delhi: Cengage Learning, 2012.

MLA citatie

Whitman, Michael E., en Herbert J. Mattord. Principles of Information Security .- 4th Ed. 4th ed. Cengage Learning, 2012.