Canfield, Bertrand R. Public relations; principles, cases, and problems [by] Bertrand R. Canfield and H. Frazier Moore. - 6th ed. - Homewood, Ill. R. D. Irwin 1973. - xvi, 486 p. 24 cm. Bibliography: p. 465-472. ISBN: 0256014264 LCCN: 72092420 Subjects--Topical Terms: Public relations LC Class. No.: HM263 / .C25 1973 Dewey Class. No.: 659.2