Sa-Onoy, M. P. (1992). A history of Negros Occidental. Printed by Today Printers and Publishers.
Cita Chicago Style (17a ed.)Sa-Onoy, Modesto P. A History of Negros Occidental. Bacolod City: Printed by Today Printers and Publishers, 1992.
Cita MLA (9a ed.)Sa-Onoy, Modesto P. A History of Negros Occidental. Printed by Today Printers and Publishers, 1992.
Precaución: Estas citas no son 100% exactas.