"Lei nº 1633 de 26 de abril de 2012" [Law no. 1633 of April 7, 2012] (in Portuguese). Águas de São Pedro Municipal Council. Archived from the original(TIF) on May 23, 2014. Retrieved June 1, 2012.
elnortedecastilla.es
Carro, María (August 1, 2011). "Molinaseca se hermana con una villa nipona" [Molinaseca becomes twinned with a Japanese village] (in Spanish). El Norte de Castilla. Retrieved June 1, 2012.
"Lei nº 1633 de 26 de abril de 2012" [Law no. 1633 of April 7, 2012] (in Portuguese). Águas de São Pedro Municipal Council. Archived from the original(TIF) on May 23, 2014. Retrieved June 1, 2012.