Ruggiero, Vincent Ryan
The art of writing / Vincent Ryan Ruggiero
Alfred Publishing Co., Inc., 1981
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Bailey, Edward P.
Writing clearly: a contemporary approach
Charles E. Merrill, 1984
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Flesch, Rudolf
How to be brief : an index to simple writing
Harper & Row Publishers, 1962
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McCrimmon, James W.
Writing with a purpose
Houghton Mifflin, 1984
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Seyler, Dorothy U.
Read, reason, write
McGraw-Hill, 1999
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