Levinson, N. S. (2000). How to sharpen your business writing skills (2nd ed.). American Management Association.
Chicago Style (17. basım) AtıfLevinson, Nan S. How to Sharpen Your Business Writing Skills. 2nd ed. [Saranac Lake, N.Y.]: American Management Association, 2000.
MLA (9th ed.) AtıfLevinson, Nan S. How to Sharpen Your Business Writing Skills. 2nd ed. American Management Association, 2000.
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