Hickler, Holly
Expository writing : from thought to action / Holly Hickler, C. Lowell May
Allyn and Bacon, Inc., 1980
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Sharples, Mike, 1952-
Cognition, computers and creative writing / Mike Sharples
Ellis Horwood Limited, 1985
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Johnson, Falk S.
Improving what you write
Houghton Mifflin, 1965
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Green, George S.
The college hornbook I: a system for sentence structure
Holt, Rinehart and Winston, 1972
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Guthrie, L.O.
Factual communication : a handbook American English
Macmillan, 1956
 Buku Teks SO