Lua APA (7ú heag.)
Howard, D., & Prince, K. (2011). Security 2020: Reduce security risks this decade. Wiley Pub..
Lua i Stíl Chicago (17ú heag.)
Howard, Doug, agus Kevin Prince. Security 2020: Reduce Security Risks This Decade. Indianapolis, Ind.: Wiley Pub., 2011.
Lua MLA (9ú heag.)
Howard, Doug, agus Kevin Prince. Security 2020: Reduce Security Risks This Decade. Wiley Pub., 2011.
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