L'Etang, J. (2008). Public Relations (4th ed.). Sage Publications Ltd.
芝加哥风格引文L'Etang, Jacquie. Public Relations. 4th ed. Sage Publications Ltd, 2008.
MLA引文L'Etang, Jacquie. Public Relations. 4th ed. Sage Publications Ltd, 2008.
警告：这些引文格式不一定是100％准确.