00405nam a2200145Ia 4500008004100000020001800041041000800059082001500067100002200082245007700104250000600181260003900187300001200226650002100238210716s2011    xx            000 0 und d  a9788132108931  aeng  a659.2 BUTK  aButterick, Keith.  aIntroducing public relations: theory and practice.bTheory and practice.  a1  aNew DelhibSage Publicationsc2011  axvi,228  aPublic Relations