patrons of the Archdiocese of Bahía Blanca, Argentina Aug 032010 Patrons Nuestra Señora de la Merced MLA Citation “patrons of the Archdiocese of Bahía Blanca, Argentina”. Patrons of the Faith. Saints.SQPN.com. 3 August 2010. Web. 18 May 2013. <http://saints.sqpn.com/patrons-of-the-archdiocese-of-bahia-blanca-argentina/>