Dery, L. C. (1991). Bikol history in Bikol folklore: Documentary evidence of five Bikol oral tradition. The Journal of History.
芝加哥风格引文Dery, Luis Camara. "Bikol History in Bikol Folklore: Documentary Evidence of Five Bikol Oral Tradition." The Journal of History 1991.
MLA引文Dery, Luis Camara. "Bikol History in Bikol Folklore: Documentary Evidence of Five Bikol Oral Tradition." The Journal of History, 1991.
警告：这些引文格式不一定是100％准确.