McFarland Keith R. (2008). The Breakthrough Company. Crown Publishers Group,Randam House Inc.
芝加哥风格引文McFarland Keith R. The Breakthrough Company. USA: Crown Publishers Group,Randam House Inc, 2008.
MLA引文McFarland Keith R. The Breakthrough Company. Crown Publishers Group,Randam House Inc, 2008.
警告：这些引文格式不一定是100％准确.