Caceres, R. (2004). Sergio A. F. Apostol's position on key issues in the Province of Leyte during the "Know your candidates's forum" sponsored by the Parish Pastoral Council for Responsible Voting on April 04, 2004. Leyte Samar Daily Express.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCaceres, Raul. "Sergio A. F. Apostol's Position on Key Issues in the Province of Leyte During the "Know Your Candidates's Forum" Sponsored by the Parish Pastoral Council for Responsible Voting on April 04, 2004." Leyte Samar Daily Express 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCaceres, Raul. "Sergio A. F. Apostol's Position on Key Issues in the Province of Leyte During the "Know Your Candidates's Forum" Sponsored by the Parish Pastoral Council for Responsible Voting on April 04, 2004." Leyte Samar Daily Express, 2004.