"Municipalities". Quezon City, Philippines: Department of the Interior and Local Government. Archived from the original on 25 January 2013. Retrieved 6 March 2013.
nscb.gov.ph
"Province: Negros Occidental". PSGC Interactive. Makati City, Philippines: National Statistical Coordination Board. Archived from the original on 21 May 2013. Retrieved 6 March 2013.
web.archive.org
"Province: Negros Occidental". PSGC Interactive. Makati City, Philippines: National Statistical Coordination Board. Archived from the original on 21 May 2013. Retrieved 6 March 2013.
"Municipalities". Quezon City, Philippines: Department of the Interior and Local Government. Archived from the original on 25 January 2013. Retrieved 6 March 2013.