APA (7e ed.) Bronvermelding

Valencia, C. Ayala's Boracay unit commissions wastewater treatment facility. The Philippine Star.

Chicago (17e ed.) Bronvermelding

Valencia, Czeriza. "Ayala's Boracay Unit Commissions Wastewater Treatment Facility." The Philippine Star .

MLA (9e ed.) Bronvermelding

Valencia, Czeriza. "Ayala's Boracay Unit Commissions Wastewater Treatment Facility." The Philippine Star, .

Let op: Deze citaties zijn niet altijd 100% accuraat.