Citazione Stile APA (7a Edizione)

Colina, A. L. I. (2020). DPWH to build PH's first long-distance mountain tunnel in Davao. Manila Bulletin.

Citazione stile Chigago Style (17a edizione)

Colina, Antonio L. IV. "DPWH to Build PH's First Long-distance Mountain Tunnel in Davao." Manila Bulletin 2020.

Citatione MLA (9a ed.)

Colina, Antonio L. IV. "DPWH to Build PH's First Long-distance Mountain Tunnel in Davao." Manila Bulletin, 2020.