Suparmo, L. (2011). Crisis Management & Public Relations Mengatasi Krisis memulihkan Citra. Indeks.
Chicago Style (17th ed.) CitationSuparmo, Ludwig. Crisis Management & Public Relations Mengatasi Krisis Memulihkan Citra. Indeks, 2011.
MLA (8th ed.) CitationSuparmo, Ludwig. Crisis Management & Public Relations Mengatasi Krisis Memulihkan Citra. Indeks, 2011.
Warning: These citations may not always be 100% accurate.