Hill, B. M. (2011). The official ubuntu book (6th ed.). Prentice Hall.
Chicago Style aipamenaHill, Benjamin Mako. The Official Ubuntu Book. 6th ed. Upper Saddle River, NJ: Prentice Hall, 2011.
MLA aipamenaHill, Benjamin Mako. The Official Ubuntu Book. 6th ed. Prentice Hall, 2011.
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