Thill, John V. Excellence in business communication / John V. Thill and Courtland L. Bovee - 4th ed. - Prentice-Hall, c1997. - xxvii,510 p. : ill. ; 24 cm. ISBN: 0139777601 LCCN: Subjects--Topical Terms: Business communication LC Class. No.: HF5718.2 / .U6T45 1997