Villanueva, M. A. (2023). Solving water resource issues. IN Commonsense [column]. Philippine Star.
Chicago (17e ed.) BronvermeldingVillanueva, Marichu A. "Solving Water Resource Issues. IN Commonsense [column]." Philippine Star 2023.
MLA (9e ed.) BronvermeldingVillanueva, Marichu A. "Solving Water Resource Issues. IN Commonsense [column]." Philippine Star, 2023.
Let op: Deze citaties zijn niet altijd 100% accuraat.