Hill, B. M., Helmke, M., & Burger, C. (2010). The official Ubuntu book (5th ed.). Prentice Hall.
芝加哥风格引文Hill, Benjamin Mako, Matthew Helmke, 与 Corey Burger. The Official Ubuntu Book. 5th ed. Upper Saddle River, NJ: Prentice Hall, 2010.
MLA引文Hill, Benjamin Mako, et al. The Official Ubuntu Book. 5th ed. Prentice Hall, 2010.
警告：这些引文格式不一定是100％准确.