Gonzaga, V. B. L. (1991). The Negrense: A social history of an elite class. Institute for Social Research and Development, University of St. La Salle.
Lua i Stíl Chicago (17ú heag.)Gonzaga, Violeta B. Lopez-. The Negrense: A Social History of an Elite Class. Bacolod: Institute for Social Research and Development, University of St. La Salle, 1991.
Lua MLA (9ú heag.)Gonzaga, Violeta B. Lopez-. The Negrense: A Social History of an Elite Class. Institute for Social Research and Development, University of St. La Salle, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.