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Dyfyniad Arddull ChicagoPARSONS, Patricia J. Etika Public Relations; Panduan Praktik Terbaik/ Patricia J. Parsons. Jakarta: Esensi, 2007.
Dyfyniad MLAPARSONS, Patricia J. Etika Public Relations; Panduan Praktik Terbaik/ Patricia J. Parsons. Jakarta: Esensi, 2007.
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