Abrea, L. A. Y. (2004). Child labor-profile of working children in Pampanga. University of the Philippines Diliman Extension Program in Pampanga.
芝加哥风格引文Abrea, Lea Angeli Y. Child Labor-profile of Working Children in Pampanga. Pampanga: University of the Philippines Diliman Extension Program in Pampanga, 2004.
MLA引文Abrea, Lea Angeli Y. Child Labor-profile of Working Children in Pampanga. University of the Philippines Diliman Extension Program in Pampanga, 2004.
警告：这些引文格式不一定是100％准确.