Black, Sam 1915- Practical public relations : common-sense guidelines for business and professional people / Sam Black, Melvin L. Sharpe. - Englewood Cliffs ; N.J. : Prentice Hall, c1983. - ix, 214 p. ; 23 cm. Includes index. ISBN: 0136935230 (pbk.) 0136935311 (hard) Subjects--Topical Terms: Public relations. Dewey Class. No.: 659.2 / BLP 1983