McKay, M.; Davis, M. and Fanning, P. 2009. Messages. The communication skills book. 3rd ed. Oakland: New Harbinger Publications Inc.

Mulholland, J. 2011. El lenguaje de la negociación. Manual de estrategias prácticas para mejorar la comunicación. Barcelona: Gedisa editorial.

Smith, R.D. 2013. Strategic planning for public relations. 4th ed. New York: Routledge.

Singleton, A. 2014. The PR Masterclass: How to develop a public relations strategy that works! Chichester: Wiley.

Solis, B. and Breakenridge, D. 2009. Putting the public back in public relations. How social media is reinventing the aging business of PR. New Jersey: Pearson education.

Theaker, A. 2016. The public relations handbook. 5th ed. Abingdon: Routledge.