Hill, B. M., Helmke, M., & Burger, C. (2010). The official Ubuntu book (5th ed.). Prentice Hall.
Cita Chicago Style (17a ed.)Hill, Benjamin Mako, Matthew Helmke, y Corey Burger. The Official Ubuntu Book. 5th ed. Upper Saddle River, NJ: Prentice Hall, 2010.
Cita MLA (8a ed.)Hill, Benjamin Mako, et al. The Official Ubuntu Book. 5th ed. Prentice Hall, 2010.
Precaución: Estas citas no son 100% exactas.