Lorejo, R. (2003). Tiwi Hot Springs revived as ecotourism destination. Philippine Daily Inquirer.
Chicago Style aipamenaLorejo, Ronnie. "Tiwi Hot Springs Revived as Ecotourism Destination." Philippine Daily Inquirer 2003.
MLA aipamenaLorejo, Ronnie. "Tiwi Hot Springs Revived as Ecotourism Destination." Philippine Daily Inquirer, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.