Murphy, Herta A. Effective business communications Herta A. Murphy, Herbert W. Hildebrandt; Jane P. Thomas. - 7th ed.. - New York McGraw Hill [n.d.] - xxiii, 617p.; 26cm. ISBN: 0 - 07 - 116587 - 8. Subjects--Topical Terms: Management Communication - Management Business Communications. Dewey Class. No.: 651.7 / M89E