Smith, R. W. (2011). LPIC-2: Linux Professional Institute certification study guide. Wiley Pub., Inc..
芝加哥风格引文Smith, Roderick W. LPIC-2: Linux Professional Institute Certification Study Guide. Indianapolis, Ind.: Wiley Pub., Inc., 2011.
MLA引文Smith, Roderick W. LPIC-2: Linux Professional Institute Certification Study Guide. Wiley Pub., Inc., 2011.
警告：这些引文格式不一定是100％准确.