Lua APA (7ú heag.)
Feilner, M., & Graf, N. (2009). Beginning OpenVPN 2.0.9: Build and integrate virtual private networks using OpenVPN. Packt Publishing Ltd..
Lua i Stíl Chicago (17ú heag.)
Feilner, Markus, agus Norbert Graf. Beginning OpenVPN 2.0.9: Build and Integrate Virtual Private Networks Using OpenVPN. Birmingham: Packt Publishing Ltd., 2009.
Lua MLA (9ú heag.)
Feilner, Markus, agus Norbert Graf. Beginning OpenVPN 2.0.9: Build and Integrate Virtual Private Networks Using OpenVPN. Packt Publishing Ltd., 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.