(2006). Vanatu happiest place on Earth: RP ranks 17. Philippine Daily Inquirer.
Chicago Style aipamena"Vanatu Happiest Place on Earth: RP Ranks 17." Philippine Daily Inquirer 2006.
MLA aipamena"Vanatu Happiest Place on Earth: RP Ranks 17." Philippine Daily Inquirer, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.