APA aipamena

Abrera, J. (1999). Environment. Philippine Daily Inquirer.

Chicago Style aipamena

Abrera, Jess. "Environment." Philippine Daily Inquirer 1999.

MLA aipamena

Abrera, Jess. "Environment." Philippine Daily Inquirer, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.