Custodio, R. (2000). Laguna de Bay polluted ; loses potential as source of tap water. Manila Times.
Chicago-Zitierstil (17. Ausg.)Custodio, Rene. "Laguna De Bay Polluted ; Loses Potential as Source of Tap Water." Manila Times 2000.
MLA-Zitierstil (9. Ausg.)Custodio, Rene. "Laguna De Bay Polluted ; Loses Potential as Source of Tap Water." Manila Times, 2000.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.