Sobell, M. G. (2010). A practical guide to Fedora and Red Hat Enterprise Linux (5th ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Sobell, Mark G. A Practical Guide to Fedora and Red Hat Enterprise Linux. 5th ed. Upper Saddle, NJ: Prentice Hall, 2010.
Lua MLA (8ú heag.)Sobell, Mark G. A Practical Guide to Fedora and Red Hat Enterprise Linux. 5th ed. Prentice Hall, 2010.
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