Grant, R., & Bull, P. (2012). Ubuntu made easy: A project-based introduction to Linux. No Starch Press.
芝加哥风格引文Grant, Rickford, 与 Phil Bull. Ubuntu Made Easy: A Project-based Introduction to Linux. San Francisco: No Starch Press, 2012.
MLA引文Grant, Rickford, 与 Phil Bull. Ubuntu Made Easy: A Project-based Introduction to Linux. No Starch Press, 2012.
警告：这些引文格式不一定是100％准确.