Brock, Susan L. Better business writing / Susan L. Brock. - Rev. ed. - Menlo Park, CA : Crisp Publications, c1988. - ii, 68 p. : ill. ; 26 cm. - A fifty-Minute series book . - Fifty-Minute series . ISBN: 0931961254 Subjects--Topical Terms: Business writing. LC Class. No.: HF5718.3 / .B76 1988