Irwin, John V. Speaking effectively / John V. Irwin, Marjorie Rosenberger, and John H. Sloan. - New York : Holt, Rinehart and Winston, 1979. - xi, 372 pages : colored illustration ; 24 centimeter. Includes index. Glossary: pages 359-363. ISBN: 0030446066 Subjects--Topical Terms: Public speaking. Dewey Class. No.: FOR 808.5 Ir8s 1979