Bontes, A. V., & Santos, E. P. Poblacion map of Legaspi City, Province of Albay. s.n.
芝加哥风格引文Bontes, Arturo V., 与 Ernesto P. Santos. Poblacion Map of Legaspi City, Province of Albay. [S.l: s.n.
MLA引文Bontes, Arturo V., 与 Ernesto P. Santos. Poblacion Map of Legaspi City, Province of Albay. s.n.
警告：这些引文格式不一定是100％准确.