Santos, D. J. (2015). 2nd crime suspect dead on heels of Duterte ultimatum. Philippine Daily Inquirer.
Chicago Style aipamenaSantos, Dennis Jay. "2nd Crime Suspect Dead on Heels of Duterte Ultimatum." Philippine Daily Inquirer 2015.
MLA aipamenaSantos, Dennis Jay. "2nd Crime Suspect Dead on Heels of Duterte Ultimatum." Philippine Daily Inquirer, 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.