Pugh, S. (2009). Wicked cool Ruby scripts: Useful scripts that solve difficult problems. No Starch Press.
芝加哥风格引文Pugh, Steve. Wicked Cool Ruby Scripts: Useful Scripts That Solve Difficult Problems. San Francisco: No Starch Press, 2009.
MLA引文Pugh, Steve. Wicked Cool Ruby Scripts: Useful Scripts That Solve Difficult Problems. No Starch Press, 2009.
警告：这些引文格式不一定是100％准确.