1. Botan, C. H., & Trowbridge, J. G. (2015). Public relations theory: Past present and future. New York: Springer.
2. Deacon, D., Downey, J., Stanyer, J., & Wring, D. (2015). General Election 2015: the media campaign [report 5 covering 30th March–7th May]. https://dspace.lboro.ac.uk/dspace-jspui/handle/2134/18148
3. Foss, S. K., & Foss, K. A. (2011). Constricted and constructed potentiality: An inquiry into paradigms of change. Western Journal of Communication, 75(2), 205–238.
4. Gibson, R. K., & Römmele, A. (2009). Measuring the professionalization of political campaigning. Party Politics, 15(3), 265–293.
5. Greenslade, R. (2015). Yes, rightwing newspaper coverage did cause Ed Miliband’s Downfall. The Guardian, May 11.