Katigbak, A. F. (2005). Ad valorem tax for cigarettes to generate more revenues for gov't. Philippine Star.
Cita Chicago Style (17a ed.)Katigbak, Antonio F. "Ad Valorem Tax for Cigarettes to Generate More Revenues for Gov't." Philippine Star 2005.
Cita MLA (9a ed.)Katigbak, Antonio F. "Ad Valorem Tax for Cigarettes to Generate More Revenues for Gov't." Philippine Star, 2005.
Precaución: Estas citas no son 100% exactas.