Não informado. (2000). Impact Assessment and Project Appraisal. International Association for Impact Assessment.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Impact Assessment and Project Appraisal. Guildford, Inglaterra: International Association for Impact Assessment, 2000.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Impact Assessment and Project Appraisal. International Association for Impact Assessment, 2000.
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