Fisher, D. (1968). Commercial english: Comprehension passages. Longmans Green.
芝加哥风格引文Fisher, David. Commercial English: Comprehension Passages. London: Longmans Green, 1968.
MLA引文Fisher, David. Commercial English: Comprehension Passages. Longmans Green, 1968.
警告：这些引文格式不一定是100％准确.