Jacobi, Ernst On-the-job communications for business, the professions, government, and industry Ernst Jacobi and G. Jay Christensen. - Englewood Cliffs, N.J. Prentice Hall c1990. - xv, 381 p. ill. 28 cm. Includes bibliographical references and index. ISBN: 0136361013 LCCN: 89003988 Subjects--Topical Terms: Business communicationBusiness writing LC Class. No.: HF5718 / .J225 1990 Dewey Class. No.: 808/.066