Tria, J. (2016). Should Metro Manila's traffic be a national concern? What happened to their mayors?. IN #Mindanao [column]. Manila Bulletin.
Citazione stile Chigago Style (17a edizione)Tria, John. "Should Metro Manila's Traffic Be a National Concern? What Happened to Their Mayors?. IN #Mindanao [column]." Manila Bulletin 2016.
Citatione MLA (9a ed.)Tria, John. "Should Metro Manila's Traffic Be a National Concern? What Happened to Their Mayors?. IN #Mindanao [column]." Manila Bulletin, 2016.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.