Oaminal, Clarence Paul (April 3, 2019). "The 1971 election in Cebu". Philippine Star; The Freeman through Pressreader. Retrieved 2019-05-16 – via PressReader.
Mojares, Resil B. "Today in the History of Cebu"(PDF). www.library.usc.edu.ph. University of San Carlos. Archived from the original(PDF) on May 24, 2019. Retrieved May 16, 2019.
Mojares, Resil B. "Today in the History of Cebu"(PDF). www.library.usc.edu.ph. University of San Carlos. Archived from the original(PDF) on May 24, 2019. Retrieved May 16, 2019.
Mojares, Resil B. (2014). The history of Cebu, Philippines. Cebu (Philippines : Province), University of San Carlos. Cebu City. ISBN9789719972235. OCLC953176470.{{cite book}}: CS1 maint: location missing publisher (link)
An anarchy of families : state and family in the Philippines. McCoy, Alfred W. Madison, Wis.: University of Wisconsin Press. 2009. ISBN9780299229849. OCLC223848773.{{cite book}}: CS1 maint: others (link)