APA aipamena

(2001). Promoting call 117 as the country's efficient emergency dial system. Philippine Star.

Chicago Style aipamena

"Promoting Call 117 as the Country's Efficient Emergency Dial System." Philippine Star 2001.

MLA aipamena

"Promoting Call 117 as the Country's Efficient Emergency Dial System." Philippine Star, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.