Gaviola, G. (1997). Typhoid fever claims 7 lives at Manila City jail. Philippine Star.
Cita Chicago (17th ed.)Gaviola, Gilbert. "Typhoid Fever Claims 7 Lives at Manila City Jail." Philippine Star 1997.
Cita MLA (9th ed.)Gaviola, Gilbert. "Typhoid Fever Claims 7 Lives at Manila City Jail." Philippine Star, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.