Lua APA (7ú heag.)
Williamson, M. (2011). pfSense 2 cookbook: A practical, example-driven guide to configure even the most advanced features of pfSense 2. Packt Open Source.
Lua i Stíl Chicago (17ú heag.)
Williamson, Matt. PfSense 2 Cookbook: A Practical, Example-driven Guide to Configure Even the Most Advanced Features of PfSense 2. Birmingham, U.K.: Packt Open Source, 2011.
Lua MLA (9ú heag.)
Williamson, Matt. PfSense 2 Cookbook: A Practical, Example-driven Guide to Configure Even the Most Advanced Features of PfSense 2. Packt Open Source, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.