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1
Public relations cases / Jerry A. Hendrix.
Belmont, Calif. : Wadsworth Pub. Co., c1995
xi, 477 p. : ill., maps ; 24 cm.
2
The practice of public relations / Fraser P. Seitel.
Upper Saddle River, NJ : Prentice Hall, c1998
xix, 556 p. : ill. (some col.) ; 26 cm.
3
The practice of public relations / Fraser P. Seitel.
New York : Macmillan, 1992
xxiii, 664 p., [8] p. di tav. : ill. ; 24 cm.