APA citiranje

Pitsenbarger, T., & Bartock, P. (2001). E-mail security in the wake of recent malicions code incidents. USA: National Securuty Agency.

Trích dẫn kiểu Chicago

Pitsenbarger, Trent., và Paul Bartock. E-mail Security in the Wake of Recent Malicions Code Incidents. USA: National Securuty Agency, 2001.

MLA citiranje

Pitsenbarger, Trent., và Paul Bartock. E-mail Security in the Wake of Recent Malicions Code Incidents. USA: National Securuty Agency, 2001.