Não informado. (2000). Impact Assessment and Project Appraisal. International Association for Impact Assessment.
Chicago (17e ed.) BronvermeldingNão informado. Impact Assessment and Project Appraisal. Guildford, Inglaterra: International Association for Impact Assessment, 2000.
MLA (8e ed.) BronvermeldingNão informado. Impact Assessment and Project Appraisal. International Association for Impact Assessment, 2000.
Let op: Deze citaties zijn niet altijd 100% accuraat.