"WASS SIGNs FOR 4 YEARS" [WASS SIGNE POUR 4 ANS] (in French). The Official Website of Evian Thonon Gaillard. 20 June 2012. Archived from the original on 25 June 2012. Retrieved 12 February 2013.
"Wass: "My goal is to return to Benfica»" [Wass: "O meu objetivo é regressar ao Benfica"] (in Portuguese). Jornal Record. 10 October 2011. Archived from the original on 3 January 2013. Retrieved 13 February 2013.
"WASS SIGNs FOR 4 YEARS" [WASS SIGNE POUR 4 ANS] (in French). The Official Website of Evian Thonon Gaillard. 20 June 2012. Archived from the original on 25 June 2012. Retrieved 12 February 2013.
"Wass: "My goal is to return to Benfica»" [Wass: "O meu objetivo é regressar ao Benfica"] (in Portuguese). Jornal Record. 10 October 2011. Archived from the original on 3 January 2013. Retrieved 13 February 2013.