Gaya APA

Whitman, M, E., Mattord, H, J. (2011). e-Book Principles of Information Security (Cet. 4). : Cengage Learning.

Gaya MLA

Whitman, Michael, E.., Mattord, Herbert, J.. "e-Book Principles of Information Security". Cet. 4 : Cengage Learning, 2011. Electronic Resource.