Velasco, E. (2018). Bidding on for Clark airport operations, maintenance-BCDA. Daily Tribune.
Citazione stile Chigago Style (17a edizione)Velasco, Ed. "Bidding on for Clark Airport Operations, Maintenance-BCDA." Daily Tribune 2018.
Citatione MLA (9a ed.)Velasco, Ed. "Bidding on for Clark Airport Operations, Maintenance-BCDA." Daily Tribune, 2018.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.