Center, Allen H., Public relations practices managerial case studies and problems Allan H. Center, Patrick Jackson. - 4th ed. - Englewood Cliffs, N.J. Prentice-Hall 1989. - xvii, 441 p. ill. ISBN: 0137384777 24.60 LCCN: 89008655 Subjects--Topical Terms: Public relations--Case studies. LC Class. No.: HM263 / .C332 1989 Dewey Class. No.: 659.2