C. A. Cunha and F. S. Seiceira, "“New Media, Citizens, and Parliament in Portugal: the Continued e-Democracy Gap and Lessons from the Obama ‘Experience.’”", in Political Representation In Portugal: The Years Of The Socialist Majority, 2005-2009, André Freire And José Manuel Leite Viegas, Ed., Reino Unido, Escrytos, 2015