Gonzales, S. R. O. (1998). Pneumonia keeping Sin in hospital. Philippine Daily Inquirer.
Chicago Style aipamenaGonzales, Stella Ruth O. "Pneumonia Keeping Sin in Hospital." Philippine Daily Inquirer 1998.
MLA aipamenaGonzales, Stella Ruth O. "Pneumonia Keeping Sin in Hospital." Philippine Daily Inquirer, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.