Brock, S. L. (1996). Better business writing: Techniques for improving correspondence (3rd ed.). Crisp Publication.
芝加哥风格引文Brock, Susan L. Better Business Writing: Techniques for Improving Correspondence. 3rd ed. California: Crisp Publication, 1996.
MLA引文Brock, Susan L. Better Business Writing: Techniques for Improving Correspondence. 3rd ed. Crisp Publication, 1996.
警告：这些引文格式不一定是100％准确.