Domingo, R. W. Key Manila sewerage system to get upgrade. IN Business. Philippine Daily Inquirer.
Citazione stile Chigago Style (17a edizione)Domingo, Ronnel W. "Key Manila Sewerage System to Get Upgrade. IN Business." Philippine Daily Inquirer .
Citatione MLA (9a ed.)Domingo, Ronnel W. "Key Manila Sewerage System to Get Upgrade. IN Business." Philippine Daily Inquirer, .
Attenzione: Queste citazioni potrebbero non essere precise al 100%.