Bibliografia

Farrarmyer, V.& Vaughn, J. (2015) Controlling the message - New Media in American Political Campaign Farrarmyer, V.& Vaughn, J., Controlling the message - New Media in American Political Campaign, New York, New York University Press.
Brubaker, J. (2008) The freedom to choose personal agenda: removing our reliiance on media agenda Brubaker, J. (2008), The freedom to choose personal agenda: removing our reliiance on media agenda. American Communication Journal, 10 (3), 1-1.
Norris, P. (2001) Political Communications and Democratic Politics. Norris, P. (2001) Political Communications and Democratic Politics. In: Bartle J., Griffiths D. (eds) Political Communications Transformed. Palgrave Macmillan, London.
Sena, N. M. (2008) A Tribuna Pública do Comentário Político. Sena, N. M. A Tribuna Pública do Comentário Político. In Meirinho Martins et al, (2008). Comunicação e Marketing Político; Contributos pedagógicos 2 (organizador) Lisboa: ISCSP.
Sena, N. M. (2002) A Interpretação Política do Debate Televisivo 1974 - 1999. Sena, N. M. (2002) . A Interpretação Política do Debate Televisivo 1974 - 1999. Lisboa: ISCSP.
Norris, P. (2000) A Virtuous Circle: Political Communication in Postindustrial Societies. Norris, P. (2000). A Virtuous Circle; Political Communication in Postindustrial Societies. Nova Iorque: Cambridge University Press

Erikson, R. S., & Tedin, K.L. (2015) American Public opinion:its origins, content and impact Erikson, R. S., & Tedin, K.L., American Public opinion:its origins, content and impact, USA: Routledge