Introduction to professional communication /
Ray, Blair Spencer.
Introduction to professional communication / Blair Spencer Ray. - Englewood Cliffs, N.J. : Prentice-Hall, 1989. - xii, 500 p.
Includes index.
0134931491
Communication.
English language--Rhetoric.
Introduction to professional communication / Blair Spencer Ray. - Englewood Cliffs, N.J. : Prentice-Hall, 1989. - xii, 500 p.
Includes index.
0134931491
Communication.
English language--Rhetoric.