Blake, Gary. The elements of business writing / Gary Blake and Robert W. Bly. - New York : 1991. - xvii, 140 p. ; 22 cm. Includes index. ISBN: 0020080956 9780020080954 Subjects--Topical Terms: Business writing. LC Class. No.: HF5718.3 / .B53 1991 Dewey Class. No.: 808.06665 B5813e 1991 C-