Tench, Ralph Exploring public relations / Ralph Tench, Liz Yeomans. - 3rd ed. - Harlow : Pearson, 2014. - xxix, 565 p. : ill. ; 27 cm. ISBN: 9780273757771 Subjects--Topical Terms: Public relations. Communication. Management. Dewey Class. No.: 659.2 / TEN