APA aipamena

Cruz, I. A. (1999). Changing the constitution. IN Separate opinion [column]. Philippine Daily Inquirer.

Chicago Style aipamena

Cruz, Isagani A. "Changing the Constitution. IN Separate Opinion [column]." Philippine Daily Inquirer 1999.

MLA aipamena

Cruz, Isagani A. "Changing the Constitution. IN Separate Opinion [column]." Philippine Daily Inquirer, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.