Smith, A. J. E. Public relations : principles, cases, and problems / H. Frazier Moore, Bertrand R. Canfield. - 7th ed. - Homewood, Ill. : R. D. Irwin, 1973. - xv, 528 p. ; 24 cm. Edition for 1973 by B. R. Canfield. Includes index. Bibliography: p. 503-511. ISBN: 0256019274 Subjects--Topical Terms: Public relations.