(1998). Big crop losses from La Nina loom. Philippine Daily Inquirer.
Chicago Style aipamena"Big Crop Losses from La Nina Loom." Philippine Daily Inquirer 1998.
MLA aipamena"Big Crop Losses from La Nina Loom." Philippine Daily Inquirer, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.