Anderson, D. (1993). The Cost-effectiveness Of Gef Projects Dennis Anderson, Robert H. Williams. The Global Environment Facility.
Chicago (17e ed.) BronvermeldingAnderson, Dennis. The Cost-effectiveness Of Gef Projects Dennis Anderson, Robert H. Williams. The Global Environment Facility, 1993.
MLA (8e ed.) BronvermeldingAnderson, Dennis. The Cost-effectiveness Of Gef Projects Dennis Anderson, Robert H. Williams. The Global Environment Facility, 1993.
Let op: Deze citaties zijn niet altijd 100% accuraat.