ebrary, Inc, Ruler, B. v., & Verčič, D. (2004). Public relations and communication management in Europe: A nation-by-nation introduction to public relations theory and practice. Mouton de Grouter.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)ebrary, Inc, Betteke van Ruler, و Dejan Verčič. Public Relations and Communication Management in Europe: A Nation-by-nation Introduction to Public Relations Theory and Practice. Berlin ; New York: Mouton de Grouter, 2004.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)ebrary, Inc, et al. Public Relations and Communication Management in Europe: A Nation-by-nation Introduction to Public Relations Theory and Practice. Mouton de Grouter, 2004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.