Cruz, I. A. (1998). Threat of tyranny. IN Separate opinion [column]. Philippine Daily Inquirer.
Chicago Style aipamenaCruz, Isagani A. "Threat of Tyranny. IN Separate Opinion [column]." Philippine Daily Inquirer 1998.
MLA aipamenaCruz, Isagani A. "Threat of Tyranny. IN Separate Opinion [column]." Philippine Daily Inquirer, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.