United Nations Environment Programme. (1991). River rehabilitation program for the Manila Bay region, phase I, final report. EMB-DENR.
Chicago (17e ed.) BronvermeldingUnited Nations Environment Programme. River Rehabilitation Program for the Manila Bay Region, Phase I, Final Report. Quezon City: EMB-DENR, 1991.
MLA (9e ed.) BronvermeldingUnited Nations Environment Programme. River Rehabilitation Program for the Manila Bay Region, Phase I, Final Report. EMB-DENR, 1991.
Let op: Deze citaties zijn niet altijd 100% accuraat.