Theaker Alison. (2012). The Public Relations Handbook (4th ed.). Routledge.
Cita Chicago (17th ed.)Theaker Alison. The Public Relations Handbook. 4th ed. Canada: Routledge, 2012.
Cita MLA (9th ed.)Theaker Alison. The Public Relations Handbook. 4th ed. Routledge, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.