Strunk, William
The elements of style / by William Strunk
Macmillan, 1959
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Wyler, Robert C
Writer to reader: fact and form
Macmillan, 1968
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Crystal, David, 1941-
Investigating english style
Longman, 1993
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Strunk, William
The elements of style
Pearson Education, 2014
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From murk to masterpiece: style for business writing
by Geraldine Henze
Richard D. Irwin, 1984
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