Katigbak, A. F. (2004). Modernized North Luzon tollway to draw new investments - UP study. Philippine Star.
Chicago Style (17th ed.) CitationKatigbak, Antonio F. "Modernized North Luzon Tollway to Draw New Investments - UP Study." Philippine Star 2004.
MLA (9th ed.) CitationKatigbak, Antonio F. "Modernized North Luzon Tollway to Draw New Investments - UP Study." Philippine Star, 2004.
Warning: These citations may not always be 100% accurate.