APA
Sobell M. G., . (2012). A practical guide to fedora and red hat enterprise linux. : Upper Saddle River, NJ : Prentice Hall.
Chicago
Sobell Mark G, . 2012. A practical guide to fedora and red hat enterprise linux. : Upper Saddle River, NJ : Prentice Hall.
Harvard
Sobell M. G., . (2012). A practical guide to fedora and red hat enterprise linux. : Upper Saddle River, NJ : Prentice Hall.
MLA
Sobell Mark G, . A practical guide to fedora and red hat enterprise linux. : Upper Saddle River, NJ : Prentice Hall. 2012.
