Senso ti Populasion (2020). "Rehion V (Rehion ti Bicol)". Dagup ti Populasion babaen ti Probinsia, Siudad, Munisipalidad ken Baranggay. Philippine Statistics Authority. Naala idi Hulio 8, 2021.
Senso ti Populasion (2015). "Rehion V (Rehion ti Bicol)". Dagup ti Populasion babaen ti Probinsia, Siudad, Munisipalidad ken Baranggay. Philippine Statistics Authority. Naala idi Hunio 20, 2016.
Senso ti Populasion ken Sangkabalayan (2010). "Rehion V (Rehion ti Bicol)". Dagup ti Populasion babaen ti Probinsia, Siudad, Munisipalidad ken Baranggay. National Statistics Office. Naala idi Hunio 29, 2016.