Diggs-Brown, Barbara. The PR styleguide : formats for public relations practice / PR style guide Barbara Diggs-Brown. - 3rd ed. - Australia ; Boston, MA : Wadsworth Cengage Learning, c2013. - xviii, 245 p. : ill. ; 24 cm. Includes index. ISBN: 9781111348113 RM231.66 1111348111 Subjects--Topical Terms: Public relations--Authorship--Style manuals.