Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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