(1998). Cathay proposal for PAL accepted. Philippine Daily Inquirer.
Chicago Style (17th ed.) Zitazioa"Cathay Proposal for PAL Accepted." Philippine Daily Inquirer 1998.
MLA (9th ed.) Zitazioa"Cathay Proposal for PAL Accepted." Philippine Daily Inquirer, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.