APA aipamena

Cruz, I. A. (1997). Political advertising. IN Separate opinion [column]. Philippine Daily Inquirer.

Chicago Style aipamena

Cruz, Isagani A. "Political Advertising. IN Separate Opinion [column]." Philippine Daily Inquirer 1997.

MLA aipamena

Cruz, Isagani A. "Political Advertising. IN Separate Opinion [column]." Philippine Daily Inquirer, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.