Butterick, Keith. Introducing public relations : theory and practice / Keith Butterick. - Los Angeles : SAGE, 2011. - xiii, 228 p. ; HB. 24 cm. Includes index ISBN: 9781412921145 9781412921152 (pbk.) LCCN: 2009928025 Subjects--Topical Terms: PUBLIC RELATION Dewey Class. No.: R 659.2 BUT(INT)