"Province: Romblon". PSGC Interactive. Makati, Philippines: National Statistical Coordination Board. Archived from the original on 9 May 2013. Retrieved 31 January 2013.
"Province: Romblon". PSGC Interactive. Makati, Philippines: National Statistical Coordination Board. Archived from the original on 9 May 2013. Retrieved 31 January 2013.