Levinson, N. S. (2000). How to sharpen your business writing skills (2nd ed.). American Management Association.
芝加哥风格引文Levinson, Nan S. How to Sharpen Your Business Writing Skills. 2nd ed. [Saranac Lake, N.Y.]: American Management Association, 2000.
MLA引文Levinson, Nan S. How to Sharpen Your Business Writing Skills. 2nd ed. American Management Association, 2000.
警告：这些引文格式不一定是100％准确.