Dizon, N. (2007). Police launch hunt for witness in campbell case. Philippine Daily Inquirer.
Cita Chicago (17th ed.)Dizon, Nikko. "Police Launch Hunt for Witness in Campbell Case." Philippine Daily Inquirer 2007.
Cita MLA (9th ed.)Dizon, Nikko. "Police Launch Hunt for Witness in Campbell Case." Philippine Daily Inquirer, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.