एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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