APA (7e ed.) Bronvermelding

Abrea, L. A. Y. (2004). Child labor-profile of working children in Pampanga. University of the Philippines Diliman Extension Program in Pampanga.

Chicago (17e ed.) Bronvermelding

Abrea, Lea Angeli Y. Child Labor-profile of Working Children in Pampanga. Pampanga: University of the Philippines Diliman Extension Program in Pampanga, 2004.

MLA (9e ed.) Bronvermelding

Abrea, Lea Angeli Y. Child Labor-profile of Working Children in Pampanga. University of the Philippines Diliman Extension Program in Pampanga, 2004.