"Comunicado" [Announcement] (PDF) (in Portuguese). Portuguese Securities Market Commission. 10 February 2010. Archived from the original(PDF) on 28 September 2011. Retrieved 5 July 2011.
"Comunicado" [Announcement] (PDF) (in Portuguese). Portuguese Securities Market Commission. 27 September 2010. Archived from the original(PDF) on 26 October 2011. Retrieved 5 July 2011.
"Comunicado" [Announcement] (PDF) (in Portuguese). Portuguese Securities Market Commission. 5 July 2011. Archived from the original(PDF) on 3 March 2016. Retrieved 31 December 2014.
"Fábio Coentrão confirmado" [Fábio Coentrão confirmed]. Record (in Portuguese). 5 January 2009. Archived from the original on 2 April 2015. Retrieved 30 May 2014.
"Comunicado" [Announcement] (PDF) (in Portuguese). Portuguese Securities Market Commission. 10 February 2010. Archived from the original(PDF) on 28 September 2011. Retrieved 5 July 2011.
"Comunicado" [Announcement] (PDF) (in Portuguese). Portuguese Securities Market Commission. 27 September 2010. Archived from the original(PDF) on 26 October 2011. Retrieved 5 July 2011.
"Comunicado" [Announcement] (PDF) (in Portuguese). Portuguese Securities Market Commission. 5 July 2011. Archived from the original(PDF) on 3 March 2016. Retrieved 31 December 2014.
"Fábio Coentrão confirmado" [Fábio Coentrão confirmed]. Record (in Portuguese). 5 January 2009. Archived from the original on 2 April 2015. Retrieved 30 May 2014.